Backed out changeset 1dca0c6a9ad2 (bug 1577372) for eslint failure at pageInfo.js on a CLOSED TREE.

browser/base/content/pageinfo/pageInfo.js

@@ -149,10 +149,7 @@ pageInfoTreeView.prototype = {
     return 0;
   },
   getImageSrc(row, column) {},
-  getCellValue(row, column) {
-    let col = (column != null) ? column : this.copycol;
-    return (row < 0 || col < 0) ? "" : (this.data[row][col] || "");
-  },
+  getCellValue(row, column) {},
   toggleOpenState(index) {},
   cycleHeader(col) {},
   selectionChanged() {},
@@ -272,19 +269,6 @@ const nsIPermissionManager = Ci.nsIPermissionManager;
 const nsICertificateDialogs = Ci.nsICertificateDialogs;
 const CERTIFICATEDIALOGS_CONTRACTID = "@mozilla.org/nsCertificateDialogs;1";
 
-// clipboard helper
-function getClipboardHelper() {
-  try {
-    return Cc["@mozilla.org/widget/clipboardhelper;1"].getService(
-      Ci.nsIClipboardHelper
-    );
-  } catch (e) {
-    // do nothing, later code will handle the error
-    return null;
-  }
-}
-const gClipboardHelper = getClipboardHelper();
-
 // namespaces, don't need all of these yet...
 const XLinkNS = "http://www.w3.org/1999/xlink";
 const XULNS = "http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul";
@@ -1191,36 +1175,6 @@ function formatDate(datestr, unknown) {
   return dateTimeFormatter.format(date);
 }
 
-function doCopy() {
-  if (!gClipboardHelper) {
-    return;
-  }
-
-  var elem = document.commandDispatcher.focusedElement;
-
-  if (elem && elem.localName == "tree") {
-    var view = elem.view;
-    var selection = view.selection;
-    var text = [],
-      tmp = "";
-    var min = {},
-      max = {};
-
-    var count = selection.getRangeCount();
-
-    for (var i = 0; i < count; i++) {
-      selection.getRangeAt(i, min, max);
-
-      for (var row = min.value; row <= max.value; row++) {
-        tmp = view.getCellValue(row, null);
-        if (tmp)
-          text.push(tmp);
-      }
-    }
-    gClipboardHelper.copyString(text.join("\n"));
-  }
-}
-
 function doSelectAllMedia() {
   var tree = document.getElementById("imagetree");
 

browser/base/content/pageinfo/pageInfo.xul

@@ -47,7 +47,6 @@
   <commandset id="pageInfoCommandSet">
     <command id="cmd_close"     oncommand="window.close();"/>
     <command id="cmd_help"      oncommand="doHelpButton();"/>
-    <command id="cmd_copy"      oncommand="doCopy();"/>
     <command id="cmd_selectall" oncommand="doSelectAll();"/>
   </commandset>
 
@@ -59,14 +58,12 @@
 #else
     <key keycode="VK_F1" command="cmd_help"/>
 #endif
-    <key data-l10n-id="copy"       data-l10n-attrs="key" modifiers="accel" command="cmd_copy"/>
     <key data-l10n-id="select-all" data-l10n-attrs="key" modifiers="accel" command="cmd_selectall"/>
     <key data-l10n-id="select-all" data-l10n-attrs="key" modifiers="alt"   command="cmd_selectall"/>
   </keyset>
 
   <menupopup id="picontext">
     <menuitem id="menu_selectall" data-l10n-id="menu-select-all" command="cmd_selectall"/>
-    <menuitem id="menu_copy"      data-l10n-id="menu-copy"       command="cmd_copy"/>
   </menupopup>
 
   <vbox id="topBar">

browser/locales/en-US/browser/pageInfo.ftl

@@ -5,12 +5,6 @@
 page-info-window =
     .style = width: 600px; min-height: 550px;
 
-copy =
-    .key = C
-menu-copy =
-    .label = Copy
-    .accesskey = C
-
 select-all =
     .key = A
 menu-select-all =