diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index f2eca5728a06..90b76fa5b6ae 100755
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -1604,6 +1604,8 @@ var gBrowserInit = {
       }
     });
 
+    gPageActionButton.init();
+
     this.delayedStartupFinished = true;
 
     Services.obs.notifyObservers(window, "browser-delayed-startup-finished");
@@ -7756,6 +7758,38 @@ var gIdentityHandler = {
   }
 };
 
+
+var gPageActionButton = {
+  get button() {
+    delete this.button;
+    return this.button = document.getElementById("urlbar-page-action-button");
+  },
+
+  get panel() {
+    delete this.panel;
+    return this.panel = document.getElementById("page-action-panel");
+  },
+
+  init() {
+    if (getBoolPref("browser.photon.structure.enabled")) {
+      this.button.hidden = false;
+    }
+  },
+
+  onEvent(event) {
+    event.stopPropagation();
+
+    if ((event.type == "click" && event.button != 0) ||
+        (event.type == "keypress" && event.charCode != KeyEvent.DOM_VK_SPACE &&
+         event.keyCode != KeyEvent.DOM_VK_RETURN)) {
+      return; // Left click, space or enter only
+    }
+
+    this.panel.hidden = false;
+    this.panel.openPopup(this.button, "bottomcenter topright");
+  },
+};
+
 function getNotificationBox(aWindow) {
   var foundBrowser = gBrowser.getBrowserForDocument(aWindow.document);
   if (foundBrowser)
diff --git a/browser/base/content/browser.xul b/browser/base/content/browser.xul
index 077e64c49f5a..711418e0d86f 100644
--- a/browser/base/content/browser.xul
+++ b/browser/base/content/browser.xul
@@ -405,6 +405,16 @@
       </hbox>
     </panel>
 
+    <panel id="page-action-panel"
+           role="group"
+           type="arrow"
+           hidden="true"
+           flip="slide"
+           position="bottomcenter topright"
+           noautofocus="true">
+      This space intentionally left blank.
+    </panel>
+
     <!-- Bookmarks and history tooltip -->
     <tooltip id="bhTooltip"/>
 
@@ -802,6 +812,11 @@
                              class="chromeclass-toolbar-additional"
                              command="Browser:Stop"
                              tooltip="dynamic-shortcut-tooltip"/>
+              <toolbarbutton id="urlbar-page-action-button"
+                             hidden="true"
+                             class="chromeclass-toolbar-additional"
+                             tooltiptext="&pageActionButton.tooltip;"
+                             onclick="gPageActionButton.onEvent(event);"/>
             </textbox>
           </hbox>
         </toolbaritem>
diff --git a/browser/locales/en-US/chrome/browser/browser.dtd b/browser/locales/en-US/chrome/browser/browser.dtd
index 269987a4ad30..0a6c9de4b1b9 100644
--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -926,3 +926,5 @@ you can use these alternative items. Otherwise, their values should be empty.  -
 <!ENTITY updateRestart.cancelButton.label "Not Now">
 <!ENTITY updateRestart.cancelButton.accesskey "N">
 <!ENTITY updateRestart.panelUI.label "Restart &brandShorterName; to apply the update">
+
+<!ENTITY pageActionButton.tooltip "Page actions">
diff --git a/browser/themes/shared/browser.inc.css b/browser/themes/shared/browser.inc.css
index 56b5e825b441..66654e9abd0f 100644
--- a/browser/themes/shared/browser.inc.css
+++ b/browser/themes/shared/browser.inc.css
@@ -31,4 +31,18 @@
 
 #urlbar-zoom-button > .toolbarbutton-icon {
   display: none;
-}
\ No newline at end of file
+}
+
+/* Page action button */
+#urlbar-page-action-button {
+  -moz-appearance: none;
+  border-style: none;
+  list-style-image: url("chrome://browser/skin/page-action.svg");
+  margin: 0;
+  padding: 0 6px;
+  fill: currentColor;
+}
+
+#urlbar-page-action-button > .toolbarbutton-icon {
+  width: 16px;
+}
diff --git a/browser/themes/shared/jar.inc.mn b/browser/themes/shared/jar.inc.mn
index 7ef6edd8124f..728bf4b7e224 100644
--- a/browser/themes/shared/jar.inc.mn
+++ b/browser/themes/shared/jar.inc.mn
@@ -143,6 +143,7 @@
   skin/classic/browser/compacttheme/urlbar-history-dropmarker.svg (../shared/compacttheme/urlbar-history-dropmarker.svg)
   skin/classic/browser/urlbar-star.svg                         (../shared/urlbar-star.svg)
   skin/classic/browser/urlbar-tab.svg                          (../shared/urlbar-tab.svg)
+  skin/classic/browser/page-action.svg                         (../shared/page-action.svg)
   skin/classic/browser/menu-icons/new-window.svg               (../shared/menu-icons/new-window.svg)
   skin/classic/browser/menu-icons/print.svg                    (../shared/menu-icons/print.svg)
   skin/classic/browser/menu-icons/private-window.svg           (../shared/menu-icons/private-window.svg)
diff --git a/browser/themes/shared/page-action.svg b/browser/themes/shared/page-action.svg
new file mode 100644
index 000000000000..8bbf596b0911
--- /dev/null
+++ b/browser/themes/shared/page-action.svg
@@ -0,0 +1,7 @@
+<?xml version="1.0"?>
+<!-- This Source Code Form is subject to the terms of the Mozilla Public
+   - License, v. 2.0. If a copy of the MPL was not distributed with this
+   - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
+<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16">
+  <path fill="context-fill" d="M2 6a2 2 0 1 0 2 2 2 2 0 0 0-2-2zm6 0a2 2 0 1 0 2 2 2 2 0 0 0-2-2zm6 0a2 2 0 1 0 2 2 2 2 0 0 0-2-2z"/>
+</svg>