Bug 1286854 - Replace ownerDocument.defaultView with ownerGlobal in browser/. r=dao

--HG--
extra : rebase_source : 72d50e73baf595840a2aade57ae782e4c40d4c27

browser/base/content/browser-fullScreenAndPointerLock.js

@@ -363,7 +363,7 @@ var FullScreen = {
         if (event.target == gBrowser) {
           browser = event.originalTarget;
         } else {
-          let topWin = event.target.ownerDocument.defaultView.top;
+          let topWin = event.target.ownerGlobal.top;
           browser = gBrowser.getBrowserForContentWindow(topWin);
         }
         TelemetryStopwatch.start("FULLSCREEN_CHANGE_MS");

browser/base/content/browser-places.js

@@ -1166,7 +1166,7 @@ var PlacesToolbarHelper = {
   onWidgetUnderflow: function(aNode, aContainer) {
     // The view gets broken by being removed and reinserted by the overflowable
     // toolbar, so we have to force an uninit and reinit.
-    let win = aNode.ownerDocument.defaultView;
+    let win = aNode.ownerGlobal;
     if (aNode.id == "personal-bookmarks" && win == window) {
       this._resetView();
     }
@@ -1909,7 +1909,7 @@ var BookmarkingUI = {
       gNavigatorBundle.getString("starButtonOverflowedStarred.label");
   },
   onWidgetOverflow: function(aNode, aContainer) {
-    let win = aNode.ownerDocument.defaultView;
+    let win = aNode.ownerGlobal;
     if (aNode.id != this.BOOKMARK_BUTTON_ID || win != window)
       return;
 
@@ -1925,7 +1925,7 @@ var BookmarkingUI = {
   },
 
   onWidgetUnderflow: function(aNode, aContainer) {
-    let win = aNode.ownerDocument.defaultView;
+    let win = aNode.ownerGlobal;
     if (aNode.id != this.BOOKMARK_BUTTON_ID || win != window)
       return;
 

browser/base/content/browser-social.js

@@ -183,7 +183,7 @@ SocialUI = {
       return;
 
     // Check to see whether this link traversal was in a social panel
-    let win = linkNode.ownerDocument.defaultView;
+    let win = linkNode.ownerGlobal;
     let container = win.QueryInterface(Ci.nsIInterfaceRequestor)
                                   .getInterface(Ci.nsIWebNavigation)
                                   .QueryInterface(Ci.nsIDocShell)

browser/base/content/browser.js

@@ -4410,7 +4410,7 @@ var XULBrowserWindow = {
         pageTooltip.hidePopup();
       }
       else {
-        for (let tooltipWindow = tooltipNode.ownerDocument.defaultView;
+        for (let tooltipWindow = tooltipNode.ownerGlobal;
              tooltipWindow != tooltipWindow.parent;
              tooltipWindow = tooltipWindow.parent) {
           if (tooltipWindow == aWebProgress.DOMWindow) {
@@ -6041,7 +6041,7 @@ var IndexedDBPromptHelper = {
     var requestor = subject.QueryInterface(Ci.nsIInterfaceRequestor);
 
     var browser = requestor.getInterface(Ci.nsIDOMNode);
-    if (browser.ownerDocument.defaultView != window) {
+    if (browser.ownerGlobal != window) {
       // Only listen for notifications for browsers in our chrome window.
       return;
     }

browser/base/content/content.js

@@ -204,7 +204,7 @@ var showContentContextMenu = function (event) {
     // commands on the context menu.
     docShell.contentViewer.QueryInterface(Ci.nsIContentViewerEdit)
             .setCommandNode(event.target);
-    event.target.ownerDocument.defaultView.updateCommands("contentcontextmenu");
+    event.target.ownerGlobal.updateCommands("contentcontextmenu");
 
     let customMenuItems = PageMenuChild.build(event.target);
     let principal = doc.nodePrincipal;
@@ -219,7 +219,7 @@ var showContentContextMenu = function (event) {
   else {
     // Break out to the parent window and pass the add-on info along
     let browser = docShell.chromeEventHandler;
-    let mainWin = browser.ownerDocument.defaultView;
+    let mainWin = browser.ownerGlobal;
     mainWin.gContextMenuContentData = {
       isRemote: false,
       event: event,
@@ -915,7 +915,7 @@ var LightWeightThemeWebInstallListener = {
           baseURI: event.target.baseURI,
           themeData: event.target.getAttribute("data-browsertheme"),
         });
-        this._previewWindow = event.target.ownerDocument.defaultView;
+        this._previewWindow = event.target.ownerGlobal;
         this._previewWindow.addEventListener("pagehide", this, true);
         break;
       }
@@ -1170,7 +1170,7 @@ var PageInfoListener = {
   getMediaItems: function(document, strings, elem)
   {
     // Check for images defined in CSS (e.g. background, borders)
-    let computedStyle = elem.ownerDocument.defaultView.getComputedStyle(elem, "");
+    let computedStyle = elem.ownerGlobal.getComputedStyle(elem);
     // A node can have multiple media items associated with it - for example,
     // multiple background images.
     let mediaItems = [];

browser/base/content/nsContextMenu.js

@@ -587,7 +587,7 @@ nsContextMenu.prototype = {
 
   inspectNode: function() {
     let {devtools} = Cu.import("resource://devtools/shared/Loader.jsm", {});
-    let gBrowser = this.browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = this.browser.ownerGlobal.gBrowser;
     let target = devtools.TargetFactory.forTab(gBrowser.selectedTab);
 
     return gDevTools.showToolbox(target, "inspector").then(toolbox => {

browser/base/content/test/general/browser_bug431826.js

@@ -25,7 +25,7 @@ add_task(function* () {
     let div = content.document.getElementById("badCertAdvancedPanel");
     // Confirm that the expert section is collapsed
     Assert.ok(div, "Advanced content div should exist");
-    Assert.equal(div.ownerDocument.defaultView.getComputedStyle(div, "").display,
+    Assert.equal(div.ownerGlobal.getComputedStyle(div).display,
       "none", "Advanced content should not be visible by default");
   });
 
@@ -41,7 +41,7 @@ add_task(function* () {
   yield remote(() => {
     let div = content.document.getElementById("badCertAdvancedPanel");
     Assert.ok(div, "Advanced content div should exist");
-    Assert.equal(div.ownerDocument.defaultView.getComputedStyle(div, "").display,
+    Assert.equal(div.ownerGlobal.getComputedStyle(div).display,
       "block", "Advanced content should be visible by default");
   });
 

browser/base/content/test/general/browser_trackingUI_1.js

@@ -113,7 +113,7 @@ function* testTrackingProtectionForTab(tab) {
 
   info("Load a test page containing tracking elements");
   yield promiseTabLoadEvent(tab, TRACKING_PAGE);
-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);
 
   info("Disable TP for the page (which reloads the page)");
   let tabReloadPromise = promiseTabLoadEvent(tab);
@@ -125,7 +125,7 @@ function* testTrackingProtectionForTab(tab) {
   tabReloadPromise = promiseTabLoadEvent(tab);
   clickButton("#tracking-action-block");
   yield tabReloadPromise;
-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);
 }
 
 add_task(function* testNormalBrowsing() {

browser/base/content/test/general/browser_trackingUI_2.js

@@ -25,7 +25,7 @@ registerCleanupFunction(function() {
 });
 
 function hidden(el) {
-  let win = el.ownerDocument.defaultView;
+  let win = el.ownerGlobal;
   let display = win.getComputedStyle(el).getPropertyValue("display", null);
   let opacity = win.getComputedStyle(el).getPropertyValue("opacity", null);
 

browser/base/content/test/general/browser_trackingUI_5.js

@@ -85,7 +85,7 @@ add_task(function* testExceptionAddition() {
   info("Load a test page containing tracking elements");
   yield promiseTabLoadEvent(tab, TRACKING_PAGE);
 
-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);
 
   info("Disable TP for the page (which reloads the page)");
   let tabReloadPromise = promiseTabLoadEvent(tab);
@@ -117,7 +117,7 @@ add_task(function* testExceptionPersistence() {
   info("Load a test page containing tracking elements");
   yield promiseTabLoadEvent(tab, TRACKING_PAGE);
 
-  testTrackingPage(tab.ownerDocument.defaultView);
+  testTrackingPage(tab.ownerGlobal);
 
   info("Disable TP for the page (which reloads the page)");
   let tabReloadPromise = promiseTabLoadEvent(tab);

browser/base/content/test/general/contextmenu_common.js

@@ -13,7 +13,7 @@ function openContextMenuFor(element, shiftkey, waitForSpellCheck) {
     function actuallyOpenContextMenuFor() {
       lastElement = element;
       var eventDetails = { type : "contextmenu", button : 2, shiftKey : shiftkey };
-      synthesizeMouse(element, 2, 2, eventDetails, element.ownerDocument.defaultView);
+      synthesizeMouse(element, 2, 2, eventDetails, element.ownerGlobal);
     }
 
     if (waitForSpellCheck) {

browser/base/content/test/general/head.js

@@ -698,7 +698,7 @@ function assertMixedContentBlockingState(tabbrowser, states = {}) {
   let identityBox = gIdentityHandler._identityBox;
   let classList = identityBox.classList;
   let connectionIcon = doc.getElementById("connection-icon");
-  let connectionIconImage = tabbrowser.ownerGlobal.getComputedStyle(connectionIcon, "").
+  let connectionIconImage = tabbrowser.ownerGlobal.getComputedStyle(connectionIcon).
                          getPropertyValue("list-style-image");
 
   let stateSecure = gIdentityHandler._state & Ci.nsIWebProgressListener.STATE_IS_SECURE;
@@ -775,9 +775,9 @@ function assertMixedContentBlockingState(tabbrowser, states = {}) {
   // Make sure the correct icon is visible in the Control Center.
   // This logic is controlled with CSS, so this helps prevent regressions there.
   let securityView = doc.getElementById("identity-popup-securityView");
-  let securityViewBG = tabbrowser.ownerGlobal.getComputedStyle(securityView, "").
+  let securityViewBG = tabbrowser.ownerGlobal.getComputedStyle(securityView).
                        getPropertyValue("background-image");
-  let securityContentBG = tabbrowser.ownerGlobal.getComputedStyle(securityView, "").
+  let securityContentBG = tabbrowser.ownerGlobal.getComputedStyle(securityView).
                           getPropertyValue("background-image");
 
   if (stateInsecure) {
@@ -831,7 +831,7 @@ function assertMixedContentBlockingState(tabbrowser, states = {}) {
 }
 
 function is_hidden(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
   if (style.display == "none")
     return true;
   if (style.visibility != "visible")
@@ -847,7 +847,7 @@ function is_hidden(element) {
 }
 
 function is_visible(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
   if (style.display == "none")
     return false;
   if (style.visibility != "visible")
@@ -897,7 +897,7 @@ function promisePopupHidden(popup) {
 }
 
 function promiseNotificationShown(notification) {
-  let win = notification.browser.ownerDocument.defaultView;
+  let win = notification.browser.ownerGlobal;
   if (win.PopupNotifications.panel.state == "open") {
     return Promise.resolve();
   }

browser/base/content/test/urlbar/head.js

@@ -250,7 +250,7 @@ function makeActionURI(action, params) {
 }
 
 function is_hidden(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
   if (style.display == "none")
     return true;
   if (style.visibility != "visible")
@@ -266,7 +266,7 @@ function is_hidden(element) {
 }
 
 function is_visible(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
   if (style.display == "none")
     return false;
   if (style.visibility != "visible")

browser/base/content/test/webrtc/head.js

@@ -165,7 +165,7 @@ function promisePopupEvent(popup, eventSuffix) {
 }
 
 function promiseNotificationShown(notification) {
-  let win = notification.browser.ownerDocument.defaultView;
+  let win = notification.browser.ownerGlobal;
   if (win.PopupNotifications.panel.state == "open") {
     return Promise.resolve();
   }

browser/base/content/webrtcIndicator.js

@@ -126,7 +126,7 @@ function onPopupMenuCommand(event) {
 function onFirefoxButtonClick(event) {
   event.target.blur();
   let activeStreams = webrtcUI.getActiveStreams(true, true, true);
-  activeStreams[0].browser.ownerDocument.defaultView.focus();
+  activeStreams[0].browser.ownerGlobal.focus();
 }
 
 var PositionHandler = {

browser/components/contextualidentity/test/browser/browser_broadcastchannel.js

@@ -12,7 +12,7 @@ function* openTabInUserContext(uri, userContextId) {
 
   // select tab and make sure its browser is focused
   gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();
 
   let browser = gBrowser.getBrowserForTab(tab);
   yield BrowserTestUtils.browserLoaded(browser);

browser/components/contextualidentity/test/browser/browser_favicon.js

@@ -37,7 +37,7 @@ function* openTabInUserContext(uri, userContextId) {
 
   // select tab and make sure its browser is focused
   gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();
 
   let browser = gBrowser.getBrowserForTab(tab);
   yield BrowserTestUtils.browserLoaded(browser);

browser/components/contextualidentity/test/browser/browser_forgetaboutsite.js

@@ -61,7 +61,7 @@ function* openTabInUserContext(uri, userContextId) {
 
   // Select tab and make sure its browser is focused.
   gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();
 
   let browser = gBrowser.getBrowserForTab(tab);
   yield BrowserTestUtils.browserLoaded(browser);

browser/components/contextualidentity/test/browser/browser_serviceworkers.js

@@ -16,7 +16,7 @@ function openTabInUserContext(uri, userContextId) {
 
   // select tab and make sure its browser is focused
   gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();
 
   return tab;
 }

browser/components/contextualidentity/test/browser/browser_usercontext.js

@@ -20,7 +20,7 @@ function openTabInUserContext(uri, userContextId) {
 
   // select tab and make sure its browser is focused
   gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();
 
   return tab;
 }

browser/components/customizableui/CustomizableUI.jsm

@@ -819,7 +819,7 @@ var CustomizableUIInternal = {
   addPanelCloseListeners: function(aPanel) {
     gELS.addSystemEventListener(aPanel, "click", this, false);
     gELS.addSystemEventListener(aPanel, "keypress", this, false);
-    let win = aPanel.ownerDocument.defaultView;
+    let win = aPanel.ownerGlobal;
     if (!gPanelsForWindow.has(win)) {
       gPanelsForWindow.set(win, new Set());
     }
@@ -829,7 +829,7 @@ var CustomizableUIInternal = {
   removePanelCloseListeners: function(aPanel) {
     gELS.removeSystemEventListener(aPanel, "click", this, false);
     gELS.removeSystemEventListener(aPanel, "keypress", this, false);
-    let win = aPanel.ownerDocument.defaultView;
+    let win = aPanel.ownerGlobal;
     let panels = gPanelsForWindow.get(win);
     if (panels) {
       panels.delete(this._getPanelForNode(aPanel));
@@ -960,7 +960,7 @@ var CustomizableUIInternal = {
                               : true;
 
     for (let areaNode of areaNodes) {
-      let window = areaNode.ownerDocument.defaultView;
+      let window = areaNode.ownerGlobal;
       if (!showInPrivateBrowsing &&
           PrivateBrowsingUtils.isWindowPrivate(window)) {
         continue;
@@ -1020,7 +1020,7 @@ var CustomizableUIInternal = {
   registerBuildArea: function(aArea, aNode) {
     // We ensure that the window is registered to have its customization data
     // cleaned up when unloading.
-    let window = aNode.ownerDocument.defaultView;
+    let window = aNode.ownerGlobal;
     if (window.closed) {
       return;
     }
@@ -1138,7 +1138,7 @@ var CustomizableUIInternal = {
   },
 
   insertNodeInWindow: function(aWidgetId, aAreaNode, isNew) {
-    let window = aAreaNode.ownerDocument.defaultView;
+    let window = aAreaNode.ownerGlobal;
     let showInPrivateBrowsing = gPalette.has(aWidgetId)
                               ? gPalette.get(aWidgetId).showInPrivateBrowsing
                               : true;
@@ -1498,7 +1498,7 @@ var CustomizableUIInternal = {
                                      aWidget.id);
       }
     } else if (aWidget.type == "view") {
-      let ownerWindow = aNode.ownerDocument.defaultView;
+      let ownerWindow = aNode.ownerGlobal;
       let area = this.getPlacementOfWidget(aNode.id).area;
       let anchor = aNode;
       if (area != CustomizableUI.AREA_PANEL) {
@@ -1718,7 +1718,7 @@ var CustomizableUIInternal = {
   },
 
   getUnusedWidgets: function(aWindowPalette) {
-    let window = aWindowPalette.ownerDocument.defaultView;
+    let window = aWindowPalette.ownerGlobal;
     let isWindowPrivate = PrivateBrowsingUtils.isWindowPrivate(window);
     // We use a Set because there can be overlap between the widgets in
     // gPalette and the items in the palette, especially after the first
@@ -2498,7 +2498,7 @@ var CustomizableUIInternal = {
     }
 
     for (let node of buildAreaNodes) {
-      if (node.ownerDocument.defaultView === aWindow) {
+      if (node.ownerGlobal == aWindow) {
         return node.customizationTarget ? node.customizationTarget : node;
       }
     }
@@ -2584,7 +2584,7 @@ var CustomizableUIInternal = {
         let area = gAreas.get(areaId);
         if (area.get("type") == CustomizableUI.TYPE_TOOLBAR) {
           let defaultCollapsed = area.get("defaultCollapsed");
-          let win = areaNode.ownerDocument.defaultView;
+          let win = areaNode.ownerGlobal;
           if (defaultCollapsed !== null) {
             win.setToolbarVisibility(areaNode, !defaultCollapsed, isFirstChangedToolbar);
           }
@@ -2710,7 +2710,7 @@ var CustomizableUIInternal = {
     if (!areaNodes) {
       return false;
     }
-    let container = [...areaNodes].filter((n) => n.ownerDocument.defaultView == aWindow);
+    let container = [...areaNodes].filter((n) => n.ownerGlobal == aWindow);
     if (!container.length) {
       return false;
     }
@@ -3813,7 +3813,7 @@ function WidgetGroupWrapper(aWidget) {
     if (!buildAreas) {
       return [];
     }
-    return Array.from(buildAreas, (node) => this.forWindow(node.ownerDocument.defaultView));
+    return Array.from(buildAreas, (node) => this.forWindow(node.ownerGlobal));
   });
 
   this.__defineGetter__("areaType", function() {
@@ -3957,7 +3957,7 @@ function XULWidgetSingleWrapper(aWidgetId, aNode, aDocument) {
         return aNode;
       }
       // ... or the toolbox
-      let toolbox = aNode.ownerDocument.defaultView.gNavToolbox;
+      let toolbox = aNode.ownerGlobal.gNavToolbox;
       if (toolbox && toolbox.palette && aNode.parentNode == toolbox.palette) {
         return aNode;
       }
@@ -4018,7 +4018,7 @@ function OverflowableToolbar(aToolbarNode) {
   this._list.toolbox = this._toolbar.toolbox;
   this._list.customizationTarget = this._list;
 
-  let window = this._toolbar.ownerDocument.defaultView;
+  let window = this._toolbar.ownerGlobal;
   if (window.gBrowserInit.delayedStartupFinished) {
     this.init();
   } else {
@@ -4032,7 +4032,7 @@ OverflowableToolbar.prototype = {
 
   observe: function(aSubject, aTopic, aData) {
     if (aTopic == "browser-delayed-startup-finished" &&
-        aSubject == this._toolbar.ownerDocument.defaultView) {
+        aSubject == this._toolbar.ownerGlobal) {
       Services.obs.removeObserver(this, "browser-delayed-startup-finished");
       this.init();
     }
@@ -4079,7 +4079,7 @@ OverflowableToolbar.prototype = {
 
     this._disable();
 
-    let window = this._toolbar.ownerDocument.defaultView;
+    let window = this._toolbar.ownerGlobal;
     window.removeEventListener("resize", this);
     window.gNavToolbox.removeEventListener("customizationstarting", this);
     window.gNavToolbox.removeEventListener("aftercustomization", this);
@@ -4190,7 +4190,7 @@ OverflowableToolbar.prototype = {
       child = prevChild;
     }
 
-    let win = this._target.ownerDocument.defaultView;
+    let win = this._target.ownerGlobal;
     win.UpdateUrlbarSearchSplitterState();
   },
 
@@ -4239,7 +4239,7 @@ OverflowableToolbar.prototype = {
       CustomizableUIInternal.notifyListeners("onWidgetUnderflow", child, this._target);
     }
 
-    let win = this._target.ownerDocument.defaultView;
+    let win = this._target.ownerGlobal;
     win.UpdateUrlbarSearchSplitterState();
 
     if (!this._collapsed.size) {
@@ -4398,7 +4398,7 @@ OverflowableToolbar.prototype = {
   _hideTimeoutId: null,
   _showWithTimeout: function() {
     this.show().then(function () {
-      let window = this._toolbar.ownerDocument.defaultView;
+      let window = this._toolbar.ownerGlobal;
       if (this._hideTimeoutId) {
         window.clearTimeout(this._hideTimeoutId);
       }

browser/components/customizableui/CustomizableWidgets.jsm

@@ -504,11 +504,9 @@ const CustomizableWidgets = [
     shortcutId: "key_privatebrowsing",
     defaultArea: CustomizableUI.AREA_PANEL,
     onCommand: function(e) {
-      if (e.target && e.target.ownerDocument && e.target.ownerDocument.defaultView) {
+      let win = e.target && e.target.ownerGlobal;
-        let win = e.target.ownerDocument.defaultView;
+      if (win && typeof win.OpenBrowserWindow == "function") {
-        if (typeof win.OpenBrowserWindow == "function") {
+        win.OpenBrowserWindow({private: true});
-          win.OpenBrowserWindow({private: true});
-        }
       }
     }
   }, {
@@ -518,8 +516,7 @@ const CustomizableWidgets = [
     defaultArea: CustomizableUI.AREA_PANEL,
     onCommand: function(aEvent) {
       let win = aEvent.target &&
-                aEvent.target.ownerDocument &&
+                aEvent.target.ownerGlobal;
-                aEvent.target.ownerDocument.defaultView;
       if (win && typeof win.saveBrowser == "function") {
         win.saveBrowser(win.gBrowser.selectedBrowser);
       }
@@ -531,8 +528,7 @@ const CustomizableWidgets = [
     defaultArea: CustomizableUI.AREA_PANEL,
     onCommand: function(aEvent) {
       let win = aEvent.target &&
-                aEvent.target.ownerDocument &&
+                aEvent.target.ownerGlobal;
-                aEvent.target.ownerDocument.defaultView;
       if (win && win.gFindBar) {
         win.gFindBar.onFindCommand();
       }
@@ -544,8 +540,7 @@ const CustomizableWidgets = [
     defaultArea: CustomizableUI.AREA_PANEL,
     onCommand: function(aEvent) {
       let win = aEvent.target
-                && aEvent.target.ownerDocument
+                && aEvent.target.ownerGlobal;
-                && aEvent.target.ownerDocument.defaultView;
       if (win && typeof win.BrowserOpenFileWindow == "function") {
         win.BrowserOpenFileWindow();
       }
@@ -623,8 +618,7 @@ const CustomizableWidgets = [
     defaultArea: CustomizableUI.AREA_PANEL,
     onCommand: function(aEvent) {
       let win = aEvent.target &&
-                aEvent.target.ownerDocument &&
+                aEvent.target.ownerGlobal;
-                aEvent.target.ownerDocument.defaultView;
       if (win && typeof win.BrowserOpenAddonsMgr == "function") {
         win.BrowserOpenAddonsMgr();
       }
@@ -900,7 +894,7 @@ const CustomizableWidgets = [
     tooltiptext: "feed-button.tooltiptext2",
     defaultArea: CustomizableUI.AREA_PANEL,
     onClick: function(aEvent) {
-      let win = aEvent.target.ownerDocument.defaultView;
+      let win = aEvent.target.ownerGlobal;
       let feeds = win.gBrowser.selectedBrowser.feeds;
 
       // Here, we only care about the case where we have exactly 1 feed and the
@@ -926,7 +920,7 @@ const CustomizableWidgets = [
       }
     },
     onCreated: function(node) {
-      let win = node.ownerDocument.defaultView;
+      let win = node.ownerGlobal;
       let selectedBrowser = win.gBrowser.selectedBrowser;
       let feeds = selectedBrowser && selectedBrowser.feeds;
       if (!feeds || !feeds.length) {
@@ -1027,7 +1021,7 @@ const CustomizableWidgets = [
         return;
       }
 
-      let window = node.ownerDocument.defaultView;
+      let window = node.ownerGlobal;
       let section = node.section;
       let value = node.value;
 
@@ -1161,8 +1155,7 @@ let preferencesButton = {
   defaultArea: CustomizableUI.AREA_PANEL,
   onCommand: function(aEvent) {
     let win = aEvent.target &&
-              aEvent.target.ownerDocument &&
+              aEvent.target.ownerGlobal;
-              aEvent.target.ownerDocument.defaultView;
     if (win && typeof win.openPreferences == "function") {
       win.openPreferences();
     }

browser/components/customizableui/CustomizeMode.jsm

@@ -1243,7 +1243,7 @@ CustomizeMode.prototype = {
   },
 
   onWidgetBeforeDOMChange: function(aNodeToChange, aSecondaryNode, aContainer) {
-    if (aContainer.ownerDocument.defaultView != this.window || this.resetting) {
+    if (aContainer.ownerGlobal != this.window || this.resetting) {
       return;
     }
     if (aContainer.id == CustomizableUI.AREA_PANEL) {
@@ -1260,7 +1260,7 @@ CustomizeMode.prototype = {
   },
 
   onWidgetAfterDOMChange: function(aNodeToChange, aSecondaryNode, aContainer) {
-    if (aContainer.ownerDocument.defaultView != this.window || this.resetting) {
+    if (aContainer.ownerGlobal != this.window || this.resetting) {
       return;
     }
     // If the node is still attached to the container, wrap it again:
@@ -1697,7 +1697,7 @@ CustomizeMode.prototype = {
           dragValue = "before";
         } else {
           // Check if the aDraggedItem is hovered past the first half of dragOverItem
-          let window = dragOverItem.ownerDocument.defaultView;
+          let window = dragOverItem.ownerGlobal;
           let direction = window.getComputedStyle(dragOverItem, null).direction;
           let itemRect = dragOverItem.getBoundingClientRect();
           let dropTargetCenter = itemRect.left + (itemRect.width / 2);
@@ -1986,7 +1986,7 @@ CustomizeMode.prototype = {
     // mozSourceNode is null in the dragStart event handler or if
     // the drag event originated in an external application.
     return !mozSourceNode ||
-           mozSourceNode.ownerDocument.defaultView != this.window;
+           mozSourceNode.ownerGlobal != this.window;
   },
 
   _setDragActive: function(aItem, aValue, aDraggedItemId, aInToolbar) {
@@ -1997,7 +1997,7 @@ CustomizeMode.prototype = {
     if (aItem.getAttribute("dragover") != aValue) {
       aItem.setAttribute("dragover", aValue);
 
-      let window = aItem.ownerDocument.defaultView;
+      let window = aItem.ownerGlobal;
       let draggedItem = window.document.getElementById(aDraggedItemId);
       if (!aInToolbar) {
         this._setGridDragActive(aItem, draggedItem, aValue);
@@ -2038,7 +2038,7 @@ CustomizeMode.prototype = {
     }
   },
   _cancelDragActive: function(aItem, aNextItem, aNoTransition) {
-    this._updateToolbarCustomizationOutline(aItem.ownerDocument.defaultView);
+    this._updateToolbarCustomizationOutline(aItem.ownerGlobal);
     let currentArea = this._getCustomizableParent(aItem);
     if (!currentArea) {
       return;

browser/components/customizableui/DragPositionManager.jsm

@@ -15,7 +15,7 @@ this.EXPORTED_SYMBOLS = ["DragPositionManager"];
 
 function AreaPositionManager(aContainer) {
   // Caching the direction and bounds of the container for quick access later:
-  let window = aContainer.ownerDocument.defaultView;
+  let window = aContainer.ownerGlobal;
   this._dir = window.getComputedStyle(aContainer).direction;
   let containerRect = aContainer.getBoundingClientRect();
   this._containerInfo = {
@@ -34,7 +34,7 @@ AreaPositionManager.prototype = {
   _wideCache: null,
 
   update: function(aContainer) {
-    let window = aContainer.ownerDocument.defaultView;
+    let window = aContainer.ownerGlobal;
     this._nodePositionStore = new WeakMap();
     this._wideCache = new Set();
     let last = null;

browser/components/customizableui/test/head.js

@@ -301,7 +301,7 @@ function isPanelUIOpen() {
 
 function subviewShown(aSubview) {
   let deferred = Promise.defer();
-  let win = aSubview.ownerDocument.defaultView;
+  let win = aSubview.ownerGlobal;
   let timeoutId = win.setTimeout(() => {
     deferred.reject("Subview (" + aSubview.id + ") did not show within 20 seconds.");
   }, 20000);
@@ -316,7 +316,7 @@ function subviewShown(aSubview) {
 
 function subviewHidden(aSubview) {
   let deferred = Promise.defer();
-  let win = aSubview.ownerDocument.defaultView;
+  let win = aSubview.ownerGlobal;
   let timeoutId = win.setTimeout(() => {
     deferred.reject("Subview (" + aSubview.id + ") did not hide within 20 seconds.");
   }, 20000);
@@ -476,7 +476,7 @@ function popupHidden(aPopup) {
  */
 function promisePopupEvent(aPopup, aEventSuffix) {
   let deferred = Promise.defer();
-  let win = aPopup.ownerDocument.defaultView;
+  let win = aPopup.ownerGlobal;
   let eventType = "popup" + aEventSuffix;
 
   function onPopupEvent(e) {

browser/components/extensions/ext-browserAction.js

@@ -114,7 +114,7 @@ BrowserAction.prototype = {
     });
 
     this.tabContext.on("tab-select", // eslint-disable-line mozilla/balanced-listeners
-                       (evt, tab) => { this.updateWindow(tab.ownerDocument.defaultView); });
+                       (evt, tab) => { this.updateWindow(tab.ownerGlobal); });
 
     this.widget = widget;
   },
@@ -196,7 +196,7 @@ BrowserAction.prototype = {
   updateOnChange(tab) {
     if (tab) {
       if (tab.selected) {
-        this.updateWindow(tab.ownerDocument.defaultView);
+        this.updateWindow(tab.ownerGlobal);
       }
     } else {
       for (let window of WindowListManager.browserWindows()) {

browser/components/extensions/ext-commands.js

@@ -124,7 +124,7 @@ CommandList.prototype = {
     // therefore the listeners for these elements will be garbage collected.
     keyElement.addEventListener("command", (event) => {
       if (name == "_execute_page_action") {
-        let win = event.target.ownerDocument.defaultView;
+        let win = event.target.ownerGlobal;
         pageActionFor(this.extension).triggerAction(win);
       } else {
         this.emit("command", name);

browser/components/extensions/ext-contextMenus.js

@@ -51,7 +51,7 @@ var gMenuBuilder = {
 
       // Display the extension icon on the root element.
       if (root.extension.manifest.icons) {
-        let parentWindow = contextData.menu.ownerDocument.defaultView;
+        let parentWindow = contextData.menu.ownerGlobal;
         let extension = root.extension;
 
         let {icon} = IconDetails.getPreferredIcon(extension.manifest.icons, extension,

browser/components/extensions/ext-pageAction.js

@@ -64,7 +64,7 @@ PageAction.prototype = {
     }
 
     if (tab.selected) {
-      this.updateButton(tab.ownerDocument.defaultView);
+      this.updateButton(tab.ownerGlobal);
     }
   },
 
@@ -183,7 +183,7 @@ PageAction.prototype = {
     if (fromBrowse) {
       this.tabContext.clear(tab);
     }
-    this.updateButton(tab.ownerDocument.defaultView);
+    this.updateButton(tab.ownerGlobal);
   },
 
   shutdown() {

browser/components/extensions/ext-tabs.js

@@ -26,7 +26,7 @@ function getSender(context, target, sender) {
   // We can just get the |tab| from |target|.
   if (target instanceof Ci.nsIDOMXULElement) {
     // The message came from a content script.
-    let tabbrowser = target.ownerDocument.defaultView.gBrowser;
+    let tabbrowser = target.ownerGlobal.gBrowser;
     if (!tabbrowser) {
       return;
     }
@@ -54,7 +54,7 @@ extensions.on("page-load", (type, page, params, sender, delegate) => {
   if (params.type == "tab" || params.type == "popup") {
     let browser = params.docShell.chromeEventHandler;
 
-    let parentWindow = browser.ownerDocument.defaultView;
+    let parentWindow = browser.ownerGlobal;
     page.windowId = WindowManager.getId(parentWindow);
 
     let tab = parentWindow.gBrowser.getTabForBrowser(browser);
@@ -206,14 +206,14 @@ let tabListener = {
   },
 
   emitAttached(tab) {
-    let newWindowId = WindowManager.getId(tab.ownerDocument.defaultView);
+    let newWindowId = WindowManager.getId(tab.ownerGlobal);
     let tabId = TabManager.getId(tab);
 
     this.emit("tab-attached", {tab, tabId, newWindowId, newPosition: tab._tPos});
   },
 
   emitDetached(tab, adoptedBy) {
-    let oldWindowId = WindowManager.getId(tab.ownerDocument.defaultView);
+    let oldWindowId = WindowManager.getId(tab.ownerGlobal);
     let tabId = TabManager.getId(tab);
 
     this.emit("tab-detached", {tab, adoptedBy, tabId, oldWindowId, oldPosition: tab._tPos});
@@ -224,7 +224,7 @@ let tabListener = {
   },
 
   emitRemoved(tab, isWindowClosing) {
-    let windowId = WindowManager.getId(tab.ownerDocument.defaultView);
+    let windowId = WindowManager.getId(tab.ownerGlobal);
     let tabId = TabManager.getId(tab);
 
     this.emit("tab-removed", {tab, tabId, windowId, isWindowClosing});
@@ -243,7 +243,7 @@ let tabListener = {
 
   onLocationChange(browser, webProgress, request, locationURI, flags) {
     if (webProgress.isTopLevel) {
-      let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+      let gBrowser = browser.ownerGlobal.gBrowser;
       let tab = gBrowser.getTabForBrowser(browser);
 
       let deferred = this.tabReadyPromises.get(tab);
@@ -267,7 +267,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
       onActivated: new WindowEventManager(context, "tabs.onActivated", "TabSelect", (fire, event) => {
         let tab = event.originalTarget;
         let tabId = TabManager.getId(tab);
-        let windowId = WindowManager.getId(tab.ownerDocument.defaultView);
+        let windowId = WindowManager.getId(tab.ownerGlobal);
         fire({tabId, windowId});
       }).api(),
 
@@ -292,7 +292,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
       onHighlighted: new WindowEventManager(context, "tabs.onHighlighted", "TabSelect", (fire, event) => {
         let tab = event.originalTarget;
         let tabIds = [TabManager.getId(tab)];
-        let windowId = WindowManager.getId(tab.ownerDocument.defaultView);
+        let windowId = WindowManager.getId(tab.ownerGlobal);
         fire({tabIds, windowId});
       }).api(),
 
@@ -363,7 +363,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
           }
 
           fire(TabManager.getId(tab), {
-            windowId: WindowManager.getId(tab.ownerDocument.defaultView),
+            windowId: WindowManager.getId(tab.ownerGlobal),
             fromIndex: event.detail,
             toIndex: tab._tPos,
           });
@@ -393,7 +393,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
         let fireForBrowser = (browser, changed) => {
           let [needed, changeInfo] = sanitize(extension, changed);
           if (needed) {
-            let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+            let gBrowser = browser.ownerGlobal.gBrowser;
             let tabElem = gBrowser.getTabForBrowser(browser);
 
             let tab = TabManager.convert(extension, tabElem);
@@ -550,7 +550,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
 
         for (let tabId of tabs) {
           let tab = TabManager.getTab(tabId);
-          tab.ownerDocument.defaultView.gBrowser.removeTab(tab);
+          tab.ownerGlobal.gBrowser.removeTab(tab);
         }
 
         return Promise.resolve();
@@ -563,7 +563,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
           return Promise.reject({message: `No tab found with tabId: ${tabId}`});
         }
 
-        let tabbrowser = tab.ownerDocument.defaultView.gBrowser;
+        let tabbrowser = tab.ownerGlobal.gBrowser;
 
         if (updateProperties.url !== null) {
           let url = context.uri.resolve(updateProperties.url);
@@ -881,7 +881,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
           }
 
           // If the window is not specified, use the window from the tab.
-          let window = destinationWindow || tab.ownerDocument.defaultView;
+          let window = destinationWindow || tab.ownerGlobal;
           let gBrowser = window.gBrowser;
 
           let insertionPoint = indexMap.get(window) || index;
@@ -902,7 +902,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
 
           indexMap.set(window, insertionPoint + 1);
 
-          if (tab.ownerDocument.defaultView !== window) {
+          if (tab.ownerGlobal != window) {
             // If the window we are moving the tab in is different, then move the tab
             // to the new window.
             tab = gBrowser.adoptTab(tab, insertionPoint, false);
@@ -922,7 +922,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
           return Promise.reject({message: `Invalid tab ID: ${tabId}`});
         }
 
-        let gBrowser = tab.ownerDocument.defaultView.gBrowser;
+        let gBrowser = tab.ownerGlobal.gBrowser;
         let newTab = gBrowser.duplicateTab(tab);
 
         return new Promise(resolve => {
@@ -952,7 +952,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
       getZoom(tabId) {
         let tab = tabId ? TabManager.getTab(tabId) : TabManager.activeTab;
 
-        let {ZoomManager} = tab.ownerDocument.defaultView;
+        let {ZoomManager} = tab.ownerGlobal;
         let zoom = ZoomManager.getZoomForBrowser(tab.linkedBrowser);
 
         return Promise.resolve(zoom);
@@ -961,7 +961,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
       setZoom(tabId, zoom) {
         let tab = tabId ? TabManager.getTab(tabId) : TabManager.activeTab;
 
-        let {FullZoom, ZoomManager} = tab.ownerDocument.defaultView;
+        let {FullZoom, ZoomManager} = tab.ownerGlobal;
 
         if (zoom === 0) {
           // A value of zero means use the default zoom factor.
@@ -980,7 +980,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
       _getZoomSettings(tabId) {
         let tab = tabId ? TabManager.getTab(tabId) : TabManager.activeTab;
 
-        let {FullZoom} = tab.ownerDocument.defaultView;
+        let {FullZoom} = tab.ownerGlobal;
 
         return {
           mode: "automatic",
@@ -1006,7 +1006,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
 
       onZoomChange: new EventManager(context, "tabs.onZoomChange", fire => {
         let getZoomLevel = browser => {
-          let {ZoomManager} = browser.ownerDocument.defaultView;
+          let {ZoomManager} = browser.ownerGlobal;
 
           return ZoomManager.getZoomForBrowser(browser);
         };
@@ -1040,7 +1040,7 @@ extensions.registerSchemaAPI("tabs", (extension, context) => {
                              .chromeEventHandler;
           }
 
-          let {gBrowser} = browser.ownerDocument.defaultView;
+          let {gBrowser} = browser.ownerGlobal;
           let tab = gBrowser.getTabForBrowser(browser);
           if (!tab) {
             // We only care about zoom events in the top-level browser of a tab.

browser/components/extensions/ext-utils.js

@@ -73,7 +73,7 @@ class BasePopup {
     this.popupURI = popupURI;
     this.viewNode = viewNode;
     this.browserStyle = browserStyle;
-    this.window = viewNode.ownerDocument.defaultView;
+    this.window = viewNode.ownerGlobal;
 
     this.contentReady = new Promise(resolve => {
       this._resolveContentReady = resolve;
@@ -328,7 +328,7 @@ TabContext.prototype = {
   },
 
   onLocationChange(browser, webProgress, request, locationURI, flags) {
-    let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = browser.ownerGlobal.gBrowser;
     if (browser === gBrowser.selectedBrowser) {
       let tab = gBrowser.getTabForBrowser(browser);
       this.emit("location-change", tab, true);
@@ -384,7 +384,7 @@ ExtensionTabManager.prototype = {
   },
 
   convert(tab) {
-    let window = tab.ownerDocument.defaultView;
+    let window = tab.ownerGlobal;
     let browser = tab.linkedBrowser;
 
     let mutedInfo = {muted: tab.muted};
@@ -495,7 +495,7 @@ global.TabManager = {
   },
 
   getBrowserId(browser) {
-    let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = browser.ownerGlobal.gBrowser;
     // Some non-browser windows have gBrowser but not
     // getTabForBrowser!
     if (gBrowser && gBrowser.getTabForBrowser) {

browser/components/newtab/NewTabSearchProvider.jsm

@@ -71,7 +71,7 @@ SearchProvider.prototype = {
   },
 
   manageEngines(browser) {
-    const browserWin = browser.ownerDocument.defaultView;
+    const browserWin = browser.ownerGlobal;
     browserWin.openPreferences("paneSearch");
   },
 

browser/components/nsBrowserGlue.js

@@ -2557,7 +2557,7 @@ ContentPermissionPrompt.prototype = {
   _showPrompt: function CPP_showPrompt(aRequest, aMessage, aPermission, aActions,
                                        aNotificationId, aAnchorId, aOptions) {
     var browser = this._getBrowserForRequest(aRequest);
-    var chromeWin = browser.ownerDocument.defaultView;
+    var chromeWin = browser.ownerGlobal;
     var requestPrincipal = aRequest.principal;
 
     // Transform the prompt actions into PopupNotification actions.
@@ -2760,7 +2760,7 @@ ContentPermissionPrompt.prototype = {
     }
 
     var browser = this._getBrowserForRequest(request);
-    var chromeWin = browser.ownerDocument.defaultView;
+    var chromeWin = browser.ownerGlobal;
     if (!chromeWin.PopupNotifications)
       // Ignore requests from browsers hosted in windows that don't support
       // PopupNotifications.

browser/components/places/PlacesUIUtils.jsm

@@ -186,7 +186,7 @@ let InternalFaviconLoader = {
 
   loadFavicon(browser, principal, uri) {
     this.ensureInitialized();
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
     if (!gFaviconLoadDataMap.has(win)) {
       gFaviconLoadDataMap.set(win, []);
       let unloadHandler = event => {

browser/components/places/content/controller.js

@@ -1601,7 +1601,7 @@ var PlacesControllerDragHelper = {
         unwrapped = PlacesUtils.unwrapNodes(data, flavor)[0];
       }
       else if (data instanceof XULElement && data.localName == "tab" &&
-               data.ownerDocument.defaultView instanceof ChromeWindow) {
+               data.ownerGlobal instanceof ChromeWindow) {
         let uri = data.linkedBrowser.currentURI;
         let spec = uri ? uri.spec : "about:blank";
         let title = data.label;

browser/components/places/tests/browser/browser_library_middleclick.js

@@ -28,7 +28,7 @@ var gTabsListener = {
     }
 
     var tab = aEvent.target;
-    is(tab.ownerDocument.defaultView, window,
+    is(tab.ownerGlobal, window,
        "Tab has been opened in current browser window");
   },
 
@@ -62,7 +62,7 @@ var gTabsListener = {
           gBrowser.removeCurrentTab();
 
         // Test finished.  This will move to the next one.
-        waitForFocus(gCurrentTest.finish, gBrowser.ownerDocument.defaultView);
+        waitForFocus(gCurrentTest.finish, gBrowser.ownerGlobal);
       });
     }
   }

browser/components/places/tests/browser/head.js

@@ -136,7 +136,7 @@ function synthesizeClickOnSelectedTreeCell(aTree, aOptions) {
   var y = rect.y + rect.height / 2;
   // Simulate the click.
   EventUtils.synthesizeMouse(aTree.body, x, y, aOptions || {},
-                             aTree.ownerDocument.defaultView);
+                             aTree.ownerGlobal);
 }
 
 /**

browser/components/preferences/in-content/subdialogs.js

@@ -336,7 +336,7 @@ var gSubDialog = {
         (isLastFocusableElement(aEvent.originalTarget) && forward)) {
       aEvent.preventDefault();
       aEvent.stopImmediatePropagation();
-      let parentWin = this._getBrowser().ownerDocument.defaultView;
+      let parentWin = this._getBrowser().ownerGlobal;
       if (forward) {
         fm.moveFocus(parentWin, null, fm.MOVEFOCUS_FIRST, fm.FLAG_BYKEY);
       } else {

browser/components/preferences/in-content/tests/head.js

@@ -6,7 +6,7 @@ Components.utils.import("resource://gre/modules/Promise.jsm");
 const kDefaultWait = 2000;
 
 function is_hidden(aElement) {
-  var style = aElement.ownerDocument.defaultView.getComputedStyle(aElement, "");
+  var style = aElement.ownerGlobal.getComputedStyle(aElement);
   if (style.display == "none")
     return true;
   if (style.visibility != "visible")

browser/components/safebrowsing/content/test/browser_whitelisted.js

@@ -32,10 +32,10 @@ add_task(function* testNormalBrowsing() {
   info("Load a test page that's whitelisted");
   Services.prefs.setCharPref(PREF_WHITELISTED_HOSTNAMES, "example.com,www.ItIsaTrap.org,example.net");
   yield promiseTabLoadEvent(tab, TEST_PAGE, "load");
-  testWhitelistedPage(tab.ownerDocument.defaultView);
+  testWhitelistedPage(tab.ownerGlobal);
 
   info("Load a test page that's no longer whitelisted");
   Services.prefs.setCharPref(PREF_WHITELISTED_HOSTNAMES, "");
   yield promiseTabLoadEvent(tab, TEST_PAGE, "AboutBlockedLoaded");
-  testBlockedPage(tab.ownerDocument.defaultView);
+  testBlockedPage(tab.ownerGlobal);
 });

browser/components/search/test/browser_oneOffHeader.js

@@ -49,7 +49,7 @@ const utils = window.QueryInterface(Ci.nsIInterfaceRequestor)
 const scale = utils.screenPixelsPerCSSPixel;
 function* synthesizeNativeMouseMove(aElement) {
   let rect = aElement.getBoundingClientRect();
-  let win = aElement.ownerDocument.defaultView;
+  let win = aElement.ownerGlobal;
   let x = win.mozInnerScreenX + (rect.left + rect.right) / 2;
   let y = win.mozInnerScreenY + (rect.top + rect.bottom) / 2;
 

browser/components/search/test/browser_searchbar_openpopup.js

@@ -24,7 +24,7 @@ const scale = utils.screenPixelsPerCSSPixel;
 
 function* synthesizeNativeMouseClick(aElement) {
   let rect = aElement.getBoundingClientRect();
-  let win = aElement.ownerDocument.defaultView;
+  let win = aElement.ownerGlobal;
   let x = win.mozInnerScreenX + (rect.left + rect.right) / 2;
   let y = win.mozInnerScreenY + (rect.top + rect.bottom) / 2;
 

browser/components/sessionstore/SessionStore.jsm

@@ -677,7 +677,7 @@ var SessionStoreInternal = {
     // If we got here, that means we're dealing with a frame message
     // manager message, so the target will be a <xul:browser>.
     var browser = aMessage.target;
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
     let tab = win ? win.gBrowser.getTabForBrowser(browser) : null;
 
     // Ensure we receive only specific messages from <xul:browser>s that
@@ -890,7 +890,7 @@ var SessionStoreInternal = {
    * Implement nsIDOMEventListener for handling various window and tab events
    */
   handleEvent: function ssi_handleEvent(aEvent) {
-    let win = aEvent.currentTarget.ownerDocument.defaultView;
+    let win = aEvent.currentTarget.ownerGlobal;
     let target = aEvent.originalTarget;
     switch (aEvent.type) {
       case "TabOpen":
@@ -2051,7 +2051,7 @@ var SessionStoreInternal = {
   },
 
   getTabState: function ssi_getTabState(aTab) {
-    if (!aTab.ownerDocument.defaultView.__SSi) {
+    if (!aTab.ownerGlobal.__SSi) {
       throw Components.Exception("Default view is not tracked", Cr.NS_ERROR_INVALID_ARG);
     }
 
@@ -2076,7 +2076,7 @@ var SessionStoreInternal = {
       throw Components.Exception("Invalid state object: no entries", Cr.NS_ERROR_INVALID_ARG);
     }
 
-    let window = aTab.ownerDocument.defaultView;
+    let window = aTab.ownerGlobal;
     if (!("__SSi" in window)) {
       throw Components.Exception("Window is not tracked", Cr.NS_ERROR_INVALID_ARG);
     }
@@ -2089,7 +2089,7 @@ var SessionStoreInternal = {
   },
 
   duplicateTab: function ssi_duplicateTab(aWindow, aTab, aDelta = 0) {
-    if (!aTab.ownerDocument.defaultView.__SSi) {
+    if (!aTab.ownerGlobal.__SSi) {
       throw Components.Exception("Default view is not tracked", Cr.NS_ERROR_INVALID_ARG);
     }
     if (!aWindow.gBrowser) {
@@ -2118,7 +2118,7 @@ var SessionStoreInternal = {
         return;
       }
 
-      let window = newTab.ownerDocument && newTab.ownerDocument.defaultView;
+      let window = newTab.ownerGlobal;
 
       // The tab or its window might be gone.
       if (!window || !window.__SSi) {
@@ -2305,13 +2305,13 @@ var SessionStoreInternal = {
     }
 
     aTab.__SS_extdata[aKey] = aStringValue;
-    this.saveStateDelayed(aTab.ownerDocument.defaultView);
+    this.saveStateDelayed(aTab.ownerGlobal);
   },
 
   deleteTabValue: function ssi_deleteTabValue(aTab, aKey) {
     if (aTab.__SS_extdata && aKey in aTab.__SS_extdata) {
       delete aTab.__SS_extdata[aKey];
-      this.saveStateDelayed(aTab.ownerDocument.defaultView);
+      this.saveStateDelayed(aTab.ownerGlobal);
     }
   },
 
@@ -2509,7 +2509,7 @@ var SessionStoreInternal = {
    * flush has finished.
    */
   navigateAndRestore(tab, loadArguments, historyIndex) {
-    let window = tab.ownerDocument.defaultView;
+    let window = tab.ownerGlobal;
     NS_ASSERT(window.__SSi, "tab's window must be tracked");
     let browser = tab.linkedBrowser;
 
@@ -2547,7 +2547,7 @@ var SessionStoreInternal = {
         return;
       }
 
-      let window = tab.ownerDocument && tab.ownerDocument.defaultView;
+      let window = tab.ownerGlobal;
 
       // The tab or its window might be gone.
       if (!window || !window.__SSi || window.closed) {
@@ -3210,7 +3210,7 @@ var SessionStoreInternal = {
     let restoreImmediately = options.restoreImmediately;
     let loadArguments = options.loadArguments;
     let browser = tab.linkedBrowser;
-    let window = tab.ownerDocument.defaultView;
+    let window = tab.ownerGlobal;
     let tabbrowser = window.gBrowser;
     let forceOnDemand = options.forceOnDemand;
 
@@ -3350,7 +3350,7 @@ var SessionStoreInternal = {
     }
 
     let browser = aTab.linkedBrowser;
-    let window = aTab.ownerDocument.defaultView;
+    let window = aTab.ownerGlobal;
     let tabbrowser = window.gBrowser;
     let tabData = TabState.clone(aTab);
     let activeIndex = tabData.index - 1;
@@ -4145,7 +4145,7 @@ var SessionStoreInternal = {
     NS_ASSERT(aTab.linkedBrowser.__SS_restoreState,
               "given tab is not restoring");
 
-    let window = aTab.ownerDocument.defaultView;
+    let window = aTab.ownerGlobal;
     let browser = aTab.linkedBrowser;
 
     // Keep the tab's previous state for later in this method

browser/components/sessionstore/TabState.jsm

@@ -118,7 +118,7 @@ var TabStateInternal = {
 
     // Store the tab icon.
     if (!("image" in tabData)) {
-      let tabbrowser = tab.ownerDocument.defaultView.gBrowser;
+      let tabbrowser = tab.ownerGlobal.gBrowser;
       tabData.image = tabbrowser.getIcon(tab);
     }
 

browser/components/sessionstore/content/content-sessionStore.js

@@ -418,8 +418,7 @@ var FormDataListener = {
 
   handleEvent: function (event) {
     let frame = event.target &&
-                event.target.ownerDocument &&
+                event.target.ownerGlobal;
-                event.target.ownerDocument.defaultView;
 
     // Don't collect form data for frames created at or after the load event
     // as SessionStore can't restore form data for those.

browser/components/sessionstore/test/browser_463206.js

@@ -18,7 +18,7 @@ add_task(function* () {
       aTextField.value = aValue;
 
       let event = aTextField.ownerDocument.createEvent("UIEvents");
-      event.initUIEvent("input", true, true, aTextField.ownerDocument.defaultView, 0);
+      event.initUIEvent("input", true, true, aTextField.ownerGlobal, 0);
       aTextField.dispatchEvent(event);
     }
 

browser/components/sessionstore/test/browser_sessionStoreContainer.js

@@ -77,7 +77,7 @@ function* openTabInUserContext(userContextId) {
 
   // Select tab and make sure its browser is focused.
   gBrowser.selectedTab = tab;
-  tab.ownerDocument.defaultView.focus();
+  tab.ownerGlobal.focus();
 
   let browser = gBrowser.getBrowserForTab(tab);
   yield BrowserTestUtils.browserLoaded(browser);

browser/components/sessionstore/test/content-forms.js

@@ -38,7 +38,7 @@ function queryElement(data) {
 
 function dispatchUIEvent(input, type) {
   let event = input.ownerDocument.createEvent("UIEvents");
-  event.initUIEvent(type, true, true, input.ownerDocument.defaultView, 0);
+  event.initUIEvent(type, true, true, input.ownerGlobal, 0);
   input.dispatchEvent(event);
 }
 

browser/components/syncedtabs/test/browser/browser_sidebar_syncedtabslist.js

@@ -368,7 +368,7 @@ function* testContextMenu(syncedTabsDeckComponent, contextSelector, triggerSelec
 
   let promisePopupShown = BrowserTestUtils.waitForEvent(contextMenu, "popupshown");
 
-  let chromeWindow = triggerElement.ownerDocument.defaultView.top;
+  let chromeWindow = triggerElement.ownerGlobal.top;
   let rect = triggerElement.getBoundingClientRect();
   let contentRect = chromeWindow.SidebarUI.browser.getBoundingClientRect();
   // The offsets in `rect` are relative to the content window, but

browser/components/uitour/UITour.jsm

@@ -364,7 +364,7 @@ this.UITour = {
 
   onPageEvent: function(aMessage, aEvent) {
     let browser = aMessage.target;
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;
 
     // Does the window have tabs? We need to make sure since windowless browsers do
     // not have tabs.
@@ -721,7 +721,7 @@ this.UITour = {
         // was generated originally. If the browser where the UI tour is loaded
         // is windowless, just ignore the request to close the tab. The request
         // is also ignored if this is the only tab in the window.
-        let tabBrowser = browser.ownerDocument.defaultView.gBrowser;
+        let tabBrowser = browser.ownerGlobal.gBrowser;
         if (tabBrowser && tabBrowser.browsers.length > 1) {
           tabBrowser.removeTab(tabBrowser.getTabForBrowser(browser));
         }
@@ -755,7 +755,7 @@ this.UITour = {
     log.debug("handleEvent: type =", aEvent.type, "event =", aEvent);
     switch (aEvent.type) {
       case "TabSelect": {
-        let window = aEvent.target.ownerDocument.defaultView;
+        let window = aEvent.target.ownerGlobal;
 
         // Teardown the browser of the tab we just switched away from.
         if (aEvent.detail && aEvent.detail.previousTab) {
@@ -972,7 +972,7 @@ this.UITour = {
   },
 
   isElementVisible: function(aElement) {
-    let targetStyle = aElement.ownerDocument.defaultView.getComputedStyle(aElement);
+    let targetStyle = aElement.ownerGlobal.getComputedStyle(aElement);
     return !aElement.ownerDocument.hidden &&
              targetStyle.display != "none" &&
              targetStyle.visibility == "visible";
@@ -1825,7 +1825,7 @@ this.UITour = {
   },
 
   hideAnnotationsForPanel: function(aEvent, aTargetPositionCallback) {
-    let win = aEvent.target.ownerDocument.defaultView;
+    let win = aEvent.target.ownerGlobal;
     let annotationElements = new Map([
       // [annotationElement (panel), method to hide the annotation]
       [win.document.getElementById("UITourHighlightContainer"), UITour.hideHighlight.bind(UITour)],
@@ -2063,7 +2063,7 @@ this.UITour = {
       if (observer) {
         return;
       }
-      let win = aPanelEl.ownerDocument.defaultView;
+      let win = aPanelEl.ownerGlobal;
       observer = new win.MutationObserver(this._annotationMutationCallback);
       this._annotationPanelMutationObservers.set(aPanelEl, observer);
       let observerOptions = {

browser/components/uitour/test/head.js

@@ -54,7 +54,7 @@ function taskify(fun) {
 }
 
 function is_hidden(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
   if (style.display == "none")
     return true;
   if (style.visibility != "visible")
@@ -70,7 +70,7 @@ function is_hidden(element) {
 }
 
 function is_visible(element) {
-  var style = element.ownerDocument.defaultView.getComputedStyle(element, "");
+  var style = element.ownerGlobal.getComputedStyle(element);
   if (style.display == "none")
     return false;
   if (style.visibility != "visible")
@@ -223,7 +223,7 @@ function is_element_hidden(element, msg) {
 }
 
 function isTourBrowser(aBrowser) {
-  let chromeWindow = aBrowser.ownerDocument.defaultView;
+  let chromeWindow = aBrowser.ownerGlobal;
   return UITour.tourBrowsersByWindow.has(chromeWindow) &&
          UITour.tourBrowsersByWindow.get(chromeWindow).has(aBrowser);
 }

browser/extensions/pocket/content/Pocket.jsm

@@ -65,7 +65,7 @@ var Pocket = {
   },
 
   onPanelViewHiding(event) {
-    let window = event.target.ownerDocument.defaultView;
+    let window = event.target.ownerGlobal;
     window.pktUI.pocketPanelDidHide(event);
   },
 

browser/modules/AboutHome.jsm

@@ -110,7 +110,7 @@ var AboutHome = {
   },
 
   receiveMessage: function(aMessage) {
-    let window = aMessage.target.ownerDocument.defaultView;
+    let window = aMessage.target.ownerGlobal;
 
     switch (aMessage.name) {
       case "AboutHome:RestorePreviousSession":

browser/modules/CaptivePortalWatcher.jsm

@@ -165,7 +165,7 @@ this.CaptivePortalWatcher = {
       return;
     }
 
-    let tabbrowser = tab.ownerDocument.defaultView.gBrowser;
+    let tabbrowser = tab.ownerGlobal.gBrowser;
 
     // If after the login, the captive portal has redirected to some other page,
     // leave it open if the tab has focus.

browser/modules/CastingApps.jsm

@@ -79,7 +79,7 @@ var CastingApps = {
     if (!app)
       return;
 
-    video.title = videoElement.ownerDocument.defaultView.top.document.title;
+    video.title = videoElement.ownerGlobal.top.document.title;
     if (video.element) {
       // If the video is currently playing on the device, pause it
       if (!video.element.paused) {

browser/modules/ContentClick.jsm

@@ -32,7 +32,7 @@ var ContentClick = {
   contentAreaClick: function (json, browser) {
     // This is heavily based on contentAreaClick from browser.js (Bug 903016)
     // The json is set up in a way to look like an Event.
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;
 
     if (!json.href) {
       // Might be middle mouse navigation.

browser/modules/ContentCrashHandlers.jsm

@@ -79,7 +79,7 @@ this.TabCrashHandler = {
 
   receiveMessage: function(message) {
     let browser = message.target.browser;
-    let gBrowser = browser.ownerDocument.defaultView.gBrowser;
+    let gBrowser = browser.ownerGlobal.gBrowser;
     let tab = gBrowser.getTabForBrowser(browser);
 
     switch(message.name) {

browser/modules/ContentLinkHandler.jsm

@@ -43,7 +43,7 @@ this.ContentLinkHandler = {
       return;
 
     // Ignore sub-frames (bugs 305472, 479408).
-    let window = link.ownerDocument.defaultView;
+    let window = link.ownerGlobal;
     if (window != window.top)
       return;
 

browser/modules/ContentSearch.jsm

@@ -230,17 +230,12 @@ this.ContentSearch = {
     let engine = Services.search.getEngineByName(data.engineName);
     let submission = engine.getSubmission(data.searchString, "", data.searchPurpose);
     let browser = msg.target;
-    let win;
+    let win = browser.ownerGlobal;
-    try {
+    if (!win) {
-      win = browser.ownerDocument.defaultView;
-    }
-    catch (err) {
       // The browser may have been closed between the time its content sent the
-      // message and the time we handle it.  In that case, trying to call any
+      // message and the time we handle it.
-      // method on it will throw.
       return;
     }
-
     let where = win.whereToOpenLink(data.originalEvent);
 
     // There is a chance that by the time we receive the search message, the user
@@ -424,7 +419,7 @@ this.ContentSearch = {
   },
 
   _onMessageManageEngines: function (msg, data) {
-    let browserWin = msg.target.ownerDocument.defaultView;
+    let browserWin = msg.target.ownerGlobal;
     browserWin.openPreferences("paneSearch");
   },
 

browser/modules/FormSubmitObserver.jsm

@@ -107,7 +107,7 @@ FormSubmitObserver.prototype =
     // Insure that this is the FormSubmitObserver associated with the
     // element / window this notification is about.
     let element = aInvalidElements.queryElementAt(0, Ci.nsISupports);
-    if (this._content != element.ownerDocument.defaultView.top.document.defaultView) {
+    if (this._content != element.ownerGlobal.top.document.defaultView) {
       return;
     }
 
@@ -201,7 +201,7 @@ FormSubmitObserver.prototype =
         (aElement.type == 'radio' || aElement.type == 'checkbox')) {
       panelData.position = "bottomcenter topleft";
     } else {
-      let win = aElement.ownerDocument.defaultView;
+      let win = aElement.ownerGlobal;
       let style = win.getComputedStyle(aElement, null);
       if (style.direction == 'rtl') {
         offset = parseInt(style.paddingRight) + parseInt(style.borderRightWidth);

browser/modules/FormValidationHandler.jsm

@@ -48,7 +48,7 @@ var FormValidationHandler =
    */
 
   receiveMessage: function (aMessage) {
-    let window = aMessage.target.ownerDocument.defaultView;
+    let window = aMessage.target.ownerGlobal;
     let json = aMessage.json;
     let tabBrowser = window.gBrowser;
     switch (aMessage.name) {

browser/modules/NetworkPrioritizer.jsm

@@ -74,12 +74,12 @@ var BrowserHelper = {
     _priorityBackup.set(aBrowser.permanentKey, Ci.nsISupportsPriority.PRIORITY_NORMAL);
 
     // If the tab is in the focused window, leave priority as it is
-    if (aBrowser.ownerDocument.defaultView != _lastFocusedWindow)
+    if (aBrowser.ownerGlobal != _lastFocusedWindow)
       this.decreasePriority(aBrowser);
   },
 
   onSelect: function NP_BH_onSelect(aBrowser) {
-    let windowEntry = WindowHelper.getEntry(aBrowser.ownerDocument.defaultView);
+    let windowEntry = WindowHelper.getEntry(aBrowser.ownerGlobal);
     if (windowEntry.lastSelectedBrowser)
       this.decreasePriority(windowEntry.lastSelectedBrowser);
     this.increasePriority(aBrowser);

browser/modules/PluginContent.jsm

@@ -247,7 +247,7 @@ PluginContent.prototype = {
       return false;
     }
 
-    let contentWindow = plugin.ownerDocument.defaultView;
+    let contentWindow = plugin.ownerGlobal;
     let cwu = contentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
                            .getInterface(Ci.nsIDOMWindowUtils);
 
@@ -526,7 +526,7 @@ PluginContent.prototype = {
 
     let pluginHost = Cc["@mozilla.org/plugin/host;1"].getService(Ci.nsIPluginHost);
     let permissionString = pluginHost.getPermissionStringForType(objLoadingContent.actualType);
-    let principal = objLoadingContent.ownerDocument.defaultView.top.document.nodePrincipal;
+    let principal = objLoadingContent.ownerGlobal.top.document.nodePrincipal;
     let pluginPermission = Services.perms.testPermissionFromPrincipal(principal, permissionString);
 
     let isFallbackTypeValid =
@@ -612,7 +612,7 @@ PluginContent.prototype = {
   onOverlayClick: function (event) {
     let document = event.target.ownerDocument;
     let plugin = document.getBindingParent(event.target);
-    let contentWindow = plugin.ownerDocument.defaultView.top;
+    let contentWindow = plugin.ownerGlobal.top;
     let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
     let overlay = this.getPluginUI(plugin, "main");
     // Have to check that the target is not the link to update the plugin

browser/modules/ProcessHangMonitor.jsm

@@ -347,7 +347,7 @@ var ProcessHangMonitor = {
   },
 
   handleEvent: function(event) {
-    let win = event.target.ownerDocument.defaultView;
+    let win = event.target.ownerGlobal;
 
     // If a new tab is selected or if a tab changes remoteness, then
     // we may need to show or hide a hang notification.

browser/modules/ReaderParent.jsm

@@ -81,7 +81,7 @@ var ReaderParent = {
   },
 
   updateReaderButton: function(browser) {
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
     if (browser != win.gBrowser.selectedBrowser) {
       return;
     }
@@ -134,7 +134,7 @@ var ReaderParent = {
   },
 
   toggleReaderMode: function(event) {
-    let win = event.target.ownerDocument.defaultView;
+    let win = event.target.ownerGlobal;
     let browser = win.gBrowser.selectedBrowser;
     browser.messageManager.sendAsyncMessage("Reader:ToggleReaderMode");
   },
@@ -145,7 +145,7 @@ var ReaderParent = {
    * @param browser The <browser> that the tour should be started for.
    */
   showReaderModeInfoPanel(browser) {
-    let win = browser.ownerDocument.defaultView;
+    let win = browser.ownerGlobal;
     let targetPromise = UITour.getTarget(win, "readerMode-urlBar");
     targetPromise.then(target => {
       let browserBundle = Services.strings.createBundle("chrome://browser/locale/browser.properties");

browser/modules/RemotePrompt.jsm

@@ -35,7 +35,7 @@ var RemotePrompt = {
   },
 
   openTabPrompt: function(args, browser) {
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;
     let tabPrompt = window.gBrowser.getTabModalPromptBox(browser)
     let callbackInvoked = false;
     let newPrompt;
@@ -94,7 +94,7 @@ var RemotePrompt = {
   },
 
   openModalWindow: function(args, browser) {
-    let window = browser.ownerDocument.defaultView;
+    let window = browser.ownerGlobal;
     try {
       PromptUtils.fireDialogEvent(window, "DOMWillOpenModalDialog", browser);
       let bag = PromptUtils.objectToPropBag(args);

browser/modules/webrtcUI.jsm

@@ -114,7 +114,7 @@ this.webrtcUI = {
       let types = {camera: state.camera, microphone: state.microphone,
                    screen: state.screen};
       let browser = aStream.browser;
-      let browserWindow = browser.ownerDocument.defaultView;
+      let browserWindow = browser.ownerGlobal;
       let tab = browserWindow.gBrowser &&
                 browserWindow.gBrowser.getTabForBrowser(browser);
       return {uri: state.documentURI, tab: tab, browser: browser, types: types};
@@ -129,7 +129,7 @@ this.webrtcUI = {
   },
 
   showSharingDoorhanger: function(aActiveStream, aType) {
-    let browserWindow = aActiveStream.browser.ownerDocument.defaultView;
+    let browserWindow = aActiveStream.browser.ownerGlobal;
     if (aActiveStream.tab) {
       browserWindow.gBrowser.selectedTab = aActiveStream.tab;
     } else {
@@ -593,7 +593,7 @@ function prompt(aBrowser, aRequest) {
 }
 
 function removePrompt(aBrowser, aCallId) {
-  let chromeWin = aBrowser.ownerDocument.defaultView;
+  let chromeWin = aBrowser.ownerGlobal;
   let notification =
     chromeWin.PopupNotifications.getNotification("webRTC-shareDevices", aBrowser);
   if (notification && notification.callID == aCallId)
@@ -875,7 +875,7 @@ function updateIndicators(data, target) {
 }
 
 function updateBrowserSpecificIndicator(aBrowser, aState) {
-  let chromeWin = aBrowser.ownerDocument.defaultView;
+  let chromeWin = aBrowser.ownerGlobal;
   let tabbrowser = chromeWin.gBrowser;
   if (tabbrowser) {
     let sharing;
@@ -1009,7 +1009,7 @@ function updateBrowserSpecificIndicator(aBrowser, aState) {
 }
 
 function removeBrowserNotification(aBrowser, aNotificationId) {
-  let win = aBrowser.ownerDocument.defaultView;
+  let win = aBrowser.ownerGlobal;
   let notification =
     win.PopupNotifications.getNotification(aNotificationId, aBrowser);
   if (notification)