diff --git a/browser/base/content/browser-doctype.inc b/browser/base/content/browser-doctype.inc
index 9f5da44b8ac1..85fb7b7ec5e7 100644
--- a/browser/base/content/browser-doctype.inc
+++ b/browser/base/content/browser-doctype.inc
@@ -14,5 +14,7 @@
 %placesDTD;
 <!ENTITY % syncBrandDTD SYSTEM "chrome://browser/locale/syncBrand.dtd">
 %syncBrandDTD;
+<!ENTITY % reportphishDTD SYSTEM "chrome://browser/locale/safebrowsing/report-phishing.dtd">
+%reportphishDTD;
 <!ENTITY % editBookmarkOverlayDTD SYSTEM "chrome://browser/locale/places/editBookmarkOverlay.dtd">
 %editBookmarkOverlayDTD;
diff --git a/browser/base/content/browser-menubar.inc b/browser/base/content/browser-menubar.inc
index 893853fa1f7b..43c6ad68cd4a 100644
--- a/browser/base/content/browser-menubar.inc
+++ b/browser/base/content/browser-menubar.inc
@@ -8,65 +8,94 @@
                                     !('@mozilla.org/widget/nativemenuservice;1' in Cc))
                                   this.setAttribute('openedwithkey',
                                                     event.target.parentNode.openedWithKey);">
-            <menu id="file-menu" data-l10n-id="menu-file">
+            <menu id="file-menu" label="&fileMenu.label;"
+                  accesskey="&fileMenu.accesskey;">
               <menupopup id="menu_FilePopup"
                          onpopupshowing="updateFileMenuUserContextUIVisibility('menu_newUserContext');
                                          updateFileMenuImportUIVisibility('cmd_importFromAnotherBrowser');">
                 <menuitem id="menu_newNavigatorTab"
+                          label="&tabCmd.label;"
                           command="cmd_newNavigatorTab"
-                          key="key_newNavigatorTab" data-l10n-id="menu-file-new-tab"/>
+                          key="key_newNavigatorTab"
+                          accesskey="&tabCmd.accesskey;"/>
                 <menu id="menu_newUserContext"
-                      hidden="true" data-l10n-id="menu-file-new-container-tab">
+                      label="&newUserContext.label;"
+                      accesskey="&newUserContext.accesskey;"
+                      hidden="true">
                   <menupopup onpopupshowing="return createUserContextMenu(event);" />
                 </menu>
                 <menuitem id="menu_newNavigator"
+                          label="&newNavigatorCmd.label;"
+                          accesskey="&newNavigatorCmd.accesskey;"
                           key="key_newNavigator"
-                          command="cmd_newNavigator" data-l10n-id="menu-file-new-window"/>
+                          command="cmd_newNavigator"/>
                 <menuitem id="menu_newPrivateWindow"
+                          label="&newPrivateWindow.label;"
+                          accesskey="&newPrivateWindow.accesskey;"
                           command="Tools:PrivateBrowsing"
-                          key="key_privatebrowsing" data-l10n-id="menu-file-new-private-window"/>
+                          key="key_privatebrowsing"/>
                 <menuitem id="menu_openLocation"
                           hidden="true"
+                          label="&openLocationCmd.label;"
                           command="Browser:OpenLocation"
-                          key="focusURLBar" data-l10n-id="menu-file-open-location"/>
+                          key="focusURLBar"/>
                 <menuitem id="menu_openFile"
+                          label="&openFileCmd.label;"
                           command="Browser:OpenFile"
-                          key="openFileKb" data-l10n-id="menu-file-open-file"/>
+                          key="openFileKb"
+                          accesskey="&openFileCmd.accesskey;"/>
                 <menuitem id="menu_close"
                           class="show-only-for-keyboard"
+                          label="&closeCmd.label;"
                           key="key_close"
-                          command="cmd_close" data-l10n-id="menu-file-close"/>
+                          accesskey="&closeCmd.accesskey;"
+                          command="cmd_close"/>
                 <menuitem id="menu_closeWindow"
                           class="show-only-for-keyboard"
                           hidden="true"
                           command="cmd_closeWindow"
-                          key="key_closeWindow" data-l10n-id="menu-file-close-window"/>
+                          key="key_closeWindow"
+                          label="&closeWindow.label;"
+                          accesskey="&closeWindow.accesskey;"/>
                 <menuseparator/>
                 <menuitem id="menu_savePage"
+                          label="&savePageCmd.label;"
+                          accesskey="&savePageCmd.accesskey;"
                           key="key_savePage"
-                          command="Browser:SavePage" data-l10n-id="menu-file-save-page"/>
+                          command="Browser:SavePage"/>
                 <menuitem id="menu_sendLink"
-                          command="Browser:SendLink" data-l10n-id="menu-file-email-link"/>
+                          label="&emailPageCmd.label;"
+                          accesskey="&emailPageCmd.accesskey;"
+                          command="Browser:SendLink"/>
                 <menuseparator/>
 #if !defined(MOZ_WIDGET_GTK)
                 <menuitem id="menu_printSetup"
-                          command="cmd_pageSetup" data-l10n-id="menu-file-print-setup"/>
+                          label="&printSetupCmd.label;"
+                          accesskey="&printSetupCmd.accesskey;"
+                          command="cmd_pageSetup"/>
 #endif
 #ifndef XP_MACOSX
                 <menuitem id="menu_printPreview"
-                          command="cmd_printPreview" data-l10n-id="menu-file-print-preview"/>
+                          label="&printPreviewCmd.label;"
+                          accesskey="&printPreviewCmd.accesskey;"
+                          command="cmd_printPreview"/>
 #endif
                 <menuitem id="menu_print"
+                          label="&printCmd.label;"
+                          accesskey="&printCmd.accesskey;"
                           key="printKb"
-                          command="cmd_print" data-l10n-id="menu-file-print"/>
+                          command="cmd_print"/>
                 <menuseparator/>
                 <menuitem id="menu_importFromAnotherBrowser"
-                          command="cmd_importFromAnotherBrowser" data-l10n-id="menu-file-import-from-another-browser"/>
+                          label="&importFromAnotherBrowserCmd.label;"
+                          accesskey="&importFromAnotherBrowserCmd.accesskey;"
+                          command="cmd_importFromAnotherBrowser"/>
                 <menuseparator/>
                 <menuitem id="goOfflineMenuitem"
+                          label="&goOfflineCmd.label;"
+                          accesskey="&goOfflineCmd.accesskey;"
                           type="checkbox"
-                          command="cmd_toggleOfflineStatus" data-l10n-id="menu-file-go-offline"/>
-<!-- We need to leave those strings in DTD until bug 1568133 is fixed. -->
+                          command="cmd_toggleOfflineStatus"/>
                 <menuitem id="menu_FileQuitItem"
 #ifdef XP_WIN
                           label="&quitApplicationCmdWin2.label;"
@@ -82,139 +111,194 @@
               </menupopup>
             </menu>
 
-            <menu id="edit-menu" data-l10n-id="menu-edit">
+            <menu id="edit-menu" label="&editMenu.label;"
+                  accesskey="&editMenu.accesskey;">
               <menupopup id="menu_EditPopup"
                          onpopupshowing="updateEditUIVisibility()"
                          onpopuphidden="updateEditUIVisibility()">
                 <menuitem id="menu_undo"
+                          label="&undoCmd.label;"
                           key="key_undo"
-                          command="cmd_undo" data-l10n-id="menu-edit-undo"/>
+                          accesskey="&undoCmd.accesskey;"
+                          command="cmd_undo"/>
                 <menuitem id="menu_redo"
+                          label="&redoCmd.label;"
                           key="key_redo"
-                          command="cmd_redo" data-l10n-id="menu-edit-redo"/>
+                          accesskey="&redoCmd.accesskey;"
+                          command="cmd_redo"/>
                 <menuseparator/>
                 <menuitem id="menu_cut"
+                          label="&cutCmd.label;"
                           key="key_cut"
-                          command="cmd_cut" data-l10n-id="menu-edit-cut"/>
+                          accesskey="&cutCmd.accesskey;"
+                          command="cmd_cut"/>
                 <menuitem id="menu_copy"
+                          label="&copyCmd.label;"
                           key="key_copy"
-                          command="cmd_copy" data-l10n-id="menu-edit-copy"/>
+                          accesskey="&copyCmd.accesskey;"
+                          command="cmd_copy"/>
                 <menuitem id="menu_paste"
+                          label="&pasteCmd.label;"
                           key="key_paste"
-                          command="cmd_paste" data-l10n-id="menu-edit-paste"/>
+                          accesskey="&pasteCmd.accesskey;"
+                          command="cmd_paste"/>
                 <menuitem id="menu_delete"
+                          label="&deleteCmd.label;"
                           key="key_delete"
-                          command="cmd_delete" data-l10n-id="menu-edit-delete"/>
+                          accesskey="&deleteCmd.accesskey;"
+                          command="cmd_delete"/>
                 <menuseparator/>
                 <menuitem id="menu_selectAll"
+                          label="&selectAllCmd.label;"
                           key="key_selectAll"
-                          command="cmd_selectAll" data-l10n-id="menu-edit-select-all"/>
+                          accesskey="&selectAllCmd.accesskey;"
+                          command="cmd_selectAll"/>
                 <menuseparator/>
                 <menuitem id="menu_find"
+                          label="&findOnCmd.label;"
+                          accesskey="&findOnCmd.accesskey;"
                           key="key_find"
-                          command="cmd_find" data-l10n-id="menu-edit-find-on"/>
+                          command="cmd_find"/>
                 <menuitem id="menu_findAgain"
                           class="show-only-for-keyboard"
+                          label="&findAgainCmd.label;"
+                          accesskey="&findAgainCmd.accesskey;"
                           key="key_findAgain"
-                          command="cmd_findAgain" data-l10n-id="menu-edit-find-again"/>
+                          command="cmd_findAgain"/>
                 <menuseparator hidden="true" id="textfieldDirection-separator"/>
                 <menuitem id="textfieldDirection-swap"
                           command="cmd_switchTextDirection"
                           key="key_switchTextDirection"
-                          hidden="true" data-l10n-id="menu-edit-bidi-switch-text-direction"/>
+                          label="&bidiSwitchTextDirectionItem.label;"
+                          accesskey="&bidiSwitchTextDirectionItem.accesskey;"
+                          hidden="true"/>
 #ifdef XP_UNIX
 #ifndef XP_MACOSX
                 <menuseparator/>
                 <menuitem id="menu_preferences"
-                          oncommand="openPreferences(undefined);" data-l10n-id="menu-preferences"/>
+                          label="&preferencesCmdUnix.label;"
+                          accesskey="&preferencesCmdUnix.accesskey;"
+                          oncommand="openPreferences(undefined);"/>
 #endif
 #endif
               </menupopup>
             </menu>
 
-            <menu id="view-menu" data-l10n-id="menu-view">
+            <menu id="view-menu" label="&viewMenu.label;"
+                  accesskey="&viewMenu.accesskey;">
               <menupopup id="menu_viewPopup"
                          onpopupshowing="updateCharacterEncodingMenuState();">
-                <menu id="viewToolbarsMenu" data-l10n-id="menu-view-toolbars-menu">
+                <menu id="viewToolbarsMenu"
+                      label="&viewToolbarsMenu.label;"
+                      accesskey="&viewToolbarsMenu.accesskey;">
                   <menupopup onpopupshowing="onViewToolbarsPopupShowing(event);">
                     <menuseparator/>
                     <menuitem id="menu_customizeToolbars"
-                              command="cmd_CustomizeToolbars" data-l10n-id="menu-view-customize-toolbar"/>
+                              label="&viewCustomizeToolbar.label;"
+                              accesskey="&viewCustomizeToolbar.accesskey;"
+                              command="cmd_CustomizeToolbars"/>
                   </menupopup>
                 </menu>
-                <menu id="viewSidebarMenuMenu" data-l10n-id="menu-view-sidebar">
+                <menu id="viewSidebarMenuMenu"
+                      label="&viewSidebarMenu.label;"
+                      accesskey="&viewSidebarMenu.accesskey;">
                   <menupopup id="viewSidebarMenu">
                     <menuitem id="menu_bookmarksSidebar"
                               type="checkbox"
                               key="viewBookmarksSidebarKb"
-                              oncommand="SidebarUI.toggle('viewBookmarksSidebar');" data-l10n-id="menu-view-bookmarks"/>
+                              oncommand="SidebarUI.toggle('viewBookmarksSidebar');"
+                              label="&bookmarksButton.label;"/>
                     <menuitem id="menu_historySidebar"
                               type="checkbox"
                               key="key_gotoHistory"
-                              oncommand="SidebarUI.toggle('viewHistorySidebar');" data-l10n-id="menu-view-history-button"/>
+                              oncommand="SidebarUI.toggle('viewHistorySidebar');"
+                              label="&historyButton.label;"/>
                     <menuitem id="menu_tabsSidebar"
                               type="checkbox"
                               class="sync-ui-item"
-                              oncommand="SidebarUI.toggle('viewTabsSidebar');" data-l10n-id="menu-view-synced-tabs-sidebar"/>
+                              oncommand="SidebarUI.toggle('viewTabsSidebar');"
+                              label="&syncedTabs.sidebar.label;"/>
                   </menupopup>
                 </menu>
                 <menuseparator/>
-                <menu id="viewFullZoomMenu"
-                      onpopupshowing="FullZoom.updateMenu();" data-l10n-id="menu-view-full-zoom">
+                <menu id="viewFullZoomMenu" label="&fullZoom.label;"
+                      accesskey="&fullZoom.accesskey;"
+                      onpopupshowing="FullZoom.updateMenu();">
                   <menupopup>
                     <menuitem id="menu_zoomEnlarge"
                               key="key_fullZoomEnlarge"
-                              command="cmd_fullZoomEnlarge" data-l10n-id="menu-view-full-zoom-enlarge"/>
+                              label="&fullZoomEnlargeCmd.label;"
+                              accesskey="&fullZoomEnlargeCmd.accesskey;"
+                              command="cmd_fullZoomEnlarge"/>
                     <menuitem id="menu_zoomReduce"
                               key="key_fullZoomReduce"
-                              command="cmd_fullZoomReduce" data-l10n-id="menu-view-full-zoom-reduce"/>
+                              label="&fullZoomReduceCmd.label;"
+                              accesskey="&fullZoomReduceCmd.accesskey;"
+                              command="cmd_fullZoomReduce"/>
                     <menuseparator/>
                     <menuitem id="menu_zoomReset"
                               key="key_fullZoomReset"
-                              command="cmd_fullZoomReset" data-l10n-id="menu-view-full-zoom-reset"/>
+                              label="&fullZoomResetCmd.label;"
+                              accesskey="&fullZoomResetCmd.accesskey;"
+                              command="cmd_fullZoomReset"/>
                     <menuseparator/>
                     <menuitem id="toggle_zoom"
+                              label="&fullZoomToggleCmd.label;"
+                              accesskey="&fullZoomToggleCmd.accesskey;"
                               type="checkbox"
                               command="cmd_fullZoomToggle"
-                              checked="false" data-l10n-id="menu-view-full-zoom-toggle"/>
+                              checked="false"/>
                   </menupopup>
                 </menu>
-                <menu id="pageStyleMenu" data-l10n-id="menu-view-page-style-menu">
+                <menu id="pageStyleMenu" label="&pageStyleMenu.label;"
+                      accesskey="&pageStyleMenu.accesskey;">
                   <menupopup onpopupshowing="gPageStyleMenu.fillPopup(this);">
                     <menuitem id="menu_pageStyleNoStyle"
+                              label="&pageStyleNoStyle.label;"
+                              accesskey="&pageStyleNoStyle.accesskey;"
                               oncommand="gPageStyleMenu.disableStyle();"
-                              type="radio" data-l10n-id="menu-view-page-style-no-style"/>
+                              type="radio"/>
                     <menuitem id="menu_pageStylePersistentOnly"
+                              label="&pageStylePersistentOnly.label;"
+                              accesskey="&pageStylePersistentOnly.accesskey;"
                               oncommand="gPageStyleMenu.switchStyleSheet('');"
                               type="radio"
-                              checked="true" data-l10n-id="menu-view-page-basic-style"/>
+                              checked="true"/>
                     <menuseparator/>
                   </menupopup>
                 </menu>
                 <menu id="charsetMenu"
+                    label="&charsetMenu2.label;"
+                    accesskey="&charsetMenu2.accesskey;"
                     oncommand="BrowserSetForcedCharacterSet(event.target.getAttribute('charset'));"
-                    onpopupshowing="CharsetMenu.build(event.target); UpdateCurrentCharset(this);" data-l10n-id="menu-view-charset">
+                    onpopupshowing="CharsetMenu.build(event.target); UpdateCurrentCharset(this);">
                   <menupopup>
                   </menupopup>
                 </menu>
                 <menuseparator/>
 #ifdef XP_MACOSX
                 <menuitem id="enterFullScreenItem"
-                          key="key_fullScreen" data-l10n-id="menu-view-enter-full-screen">
+                          accesskey="&enterFullScreenCmd.accesskey;"
+                          label="&enterFullScreenCmd.label;"
+                          key="key_fullScreen">
                   <observes element="View:FullScreen" attribute="oncommand"/>
                   <observes element="View:FullScreen" attribute="disabled"/>
                 </menuitem>
                 <menuitem id="exitFullScreenItem"
+                          accesskey="&exitFullScreenCmd.accesskey;"
+                          label="&exitFullScreenCmd.label;"
                           key="key_fullScreen"
-                          hidden="true" data-l10n-id="menu-view-exit-full-screen">
+                          hidden="true">
                   <observes element="View:FullScreen" attribute="oncommand"/>
                   <observes element="View:FullScreen" attribute="disabled"/>
                 </menuitem>
 #else
                 <menuitem id="fullScreenItem"
+                          accesskey="&fullScreenCmd.accesskey;"
+                          label="&fullScreenCmd.label;"
                           key="key_fullScreen"
                           type="checkbox"
-                          observes="View:FullScreen" data-l10n-id="menu-view-full-screen"/>
+                          observes="View:FullScreen"/>
 #endif
                 <menuitem id="menu_readerModeItem"
                           observes="View:ReaderView"
@@ -222,16 +306,22 @@
                           hidden="true"/>
                 <menuitem id="menu_showAllTabs"
                           hidden="true"
+                          accesskey="&showAllTabsCmd.accesskey;"
+                          label="&showAllTabsCmd.label;"
                           command="Browser:ShowAllTabs"
-                          key="key_showAllTabs" data-l10n-id="menu-view-show-all-tabs"/>
+                          key="key_showAllTabs"/>
                 <menuseparator hidden="true" id="documentDirection-separator"/>
                 <menuitem id="documentDirection-swap"
                           hidden="true"
-                          oncommand="gBrowser.selectedBrowser.sendMessageToActor('SwitchDocumentDirection', {}, 'SwitchDocumentDirection', true);" data-l10n-id="menu-view-bidi-switch-page-direction"/>
+                          label="&bidiSwitchPageDirectionItem.label;"
+                          accesskey="&bidiSwitchPageDirectionItem.accesskey;"
+                          oncommand="gBrowser.selectedBrowser.sendMessageToActor('SwitchDocumentDirection', {}, 'SwitchDocumentDirection', true);"/>
               </menupopup>
             </menu>
 
-            <menu id="history-menu" data-l10n-id="menu-history">
+            <menu id="history-menu"
+                  label="&historyMenu.label;"
+                  accesskey="&historyMenu.accesskey;">
               <menupopup id="goPopup"
 #ifndef XP_MACOSX
                          placespopup="true"
@@ -243,24 +333,30 @@
                          tooltip="bhTooltip"
                          popupsinherittooltip="true">
                 <menuitem id="menu_showAllHistory"
+                          label="&showAllHistoryCmd2.label;"
 #ifndef XP_MACOSX
                           key="showAllHistoryKb"
 #endif
-                          command="Browser:ShowAllHistory" data-l10n-id="menu-history-show-all-history"/>
+                          command="Browser:ShowAllHistory"/>
                 <menuitem id="sanitizeItem"
+                          label="&clearRecentHistory.label;"
                           key="key_sanitize"
-                          command="Tools:Sanitize" data-l10n-id="menu-history-clear-recent-history"/>
+                          command="Tools:Sanitize"/>
                 <menuseparator id="sanitizeSeparator"/>
                 <menuitem id="sync-tabs-menuitem"
+                          label="&syncTabsMenu3.label;"
                           oncommand="gSync.openSyncedTabsPanel();"
-                          hidden="true" data-l10n-id="menu-history-synced-tabs"/>
+                          hidden="true"/>
                 <menuitem id="historyRestoreLastSession"
-                          command="Browser:RestoreLastSession" data-l10n-id="menu-history-restore-last-session"/>
+                          label="&historyRestoreLastSession.label;"
+                          command="Browser:RestoreLastSession"/>
                 <menuitem id="hiddenTabsMenu"
+                          label="&hiddenTabs.label;"
                           oncommand="gTabsPanel.showHiddenTabsPanel();"
-                          hidden="true" data-l10n-id="menu-history-hidden-tabs"/>
+                          hidden="true"/>
                 <menu id="historyUndoMenu"
-                      disabled="true" data-l10n-id="menu-history-undo-menu">
+                      label="&historyUndoMenu.label;"
+                      disabled="true">
                   <menupopup id="historyUndoPopup"
 #ifndef XP_MACOSX
                              placespopup="true"
@@ -268,7 +364,8 @@
                              onpopupshowing="document.getElementById('history-menu')._placesView.populateUndoSubmenu();"/>
                 </menu>
                 <menu id="historyUndoWindowMenu"
-                      disabled="true" data-l10n-id="menu-history-undo-window-menu">
+                      label="&historyUndoWindowMenu.label;"
+                      disabled="true">
                   <menupopup id="historyUndoWindowPopup"
 #ifndef XP_MACOSX
                              placespopup="true"
@@ -281,9 +378,11 @@
             </menu>
 
   <menu id="bookmarksMenu"
+        label="&bookmarksMenu.label;"
+        accesskey="&bookmarksMenu.accesskey;"
         ondragenter="PlacesMenuDNDHandler.onDragEnter(event);"
         ondragover="PlacesMenuDNDHandler.onDragOver(event);"
-        ondrop="PlacesMenuDNDHandler.onDrop(event);" data-l10n-id="menu-bookmarks-menu">
+        ondrop="PlacesMenuDNDHandler.onDrop(event);">
     <menupopup id="bookmarksMenuPopup"
 #ifndef XP_MACOSX
                placespopup="true"
@@ -298,20 +397,23 @@
                                  new PlacesMenu(event, `place:parent=${PlacesUtils.bookmarks.menuGuid}`);"
                tooltip="bhTooltip" popupsinherittooltip="true">
       <menuitem id="bookmarksShowAll"
+                label="&showAllBookmarks2.label;"
                 command="Browser:ShowAllBookmarks"
-                key="manBookmarkKb" data-l10n-id="menu-bookmarks-show-all"/>
+                key="manBookmarkKb"/>
       <menuseparator id="organizeBookmarksSeparator"/>
       <menuitem id="menu_bookmarkThisPage"
                 command="Browser:AddBookmarkAs"
                 key="addBookmarkAsKb"/>
       <menuitem id="menu_bookmarkAllTabs"
+                label="&addCurPagesCmd.label;"
                 class="show-only-for-keyboard"
                 command="Browser:BookmarkAllTabs"
-                key="bookmarkAllTabsKb" data-l10n-id="menu-bookmarks-all-tabs"/>
+                key="bookmarkAllTabsKb"/>
       <menuseparator id="bookmarksToolbarSeparator"/>
       <menu id="bookmarksToolbarFolderMenu"
             class="menu-iconic bookmark-item"
-            container="true" data-l10n-id="menu-bookmarks-toolbar">
+            label="&personalbarCmd.label;"
+            container="true">
         <menupopup id="bookmarksToolbarFolderPopup"
 #ifndef XP_MACOSX
                    placespopup="true"
@@ -322,7 +424,8 @@
       </menu>
       <menu id="menu_unsortedBookmarks"
             class="menu-iconic bookmark-item"
-            container="true" data-l10n-id="menu-bookmarks-other">
+            label="&otherBookmarksCmd.label;"
+            container="true">
         <menupopup id="otherBookmarksFolderPopup"
 #ifndef XP_MACOSX
                    placespopup="true"
@@ -333,8 +436,9 @@
       </menu>
       <menu id="menu_mobileBookmarks"
             class="menu-iconic bookmark-item"
+            label="&mobileBookmarksCmd.label;"
             hidden="true"
-            container="true" data-l10n-id="menu-bookmarks-mobile">
+            container="true">
         <menupopup id="mobileBookmarksFolderPopup"
 #ifndef XP_MACOSX
                    placespopup="true"
@@ -348,59 +452,81 @@
     </menupopup>
   </menu>
 
-            <menu id="tools-menu" data-l10n-id="menu-tools">
+            <menu id="tools-menu"
+                  label="&toolsMenu.label;"
+                  accesskey="&toolsMenu.accesskey;">
               <menupopup id="menu_ToolsPopup">
               <menuitem id="menu_openDownloads"
+                        label="&downloads.label;"
+                        accesskey="&downloads.accesskey;"
                         key="key_openDownloads"
-                        command="Tools:Downloads" data-l10n-id="menu-tools-downloads"/>
+                        command="Tools:Downloads"/>
               <menuitem id="menu_openAddons"
+                        label="&addons.label;"
+                        accesskey="&addons.accesskey;"
                         key="key_openAddons"
-                        command="Tools:Addons" data-l10n-id="menu-tools-addons"/>
+                        command="Tools:Addons"/>
 
               <!-- only one of sync-setup, sync-unverifieditem, sync-syncnowitem or sync-reauthitem will be showing at once -->
               <menuitem id="sync-setup"
                         class="sync-ui-item"
+                        label="&syncSignIn.label;"
+                        accesskey="&syncSignIn.accesskey;"
                         hidden="true"
-                        oncommand="gSync.openPrefs('menubar')" data-l10n-id="menu-tools-sync-sign-in"/>
+                        oncommand="gSync.openPrefs('menubar')"/>
               <menuitem id="sync-unverifieditem"
                         class="sync-ui-item"
+                        label="&syncSignIn.label;"
+                        accesskey="&syncSignIn.accesskey;"
                         hidden="true"
-                        oncommand="gSync.openPrefs('menubar')" data-l10n-id="menu-tools-sync-sign-in"/>
+                        oncommand="gSync.openPrefs('menubar')"/>
               <menuitem id="sync-syncnowitem"
                         class="sync-ui-item"
+                        label="&syncSyncNowItem.label;"
+                        accesskey="&syncSyncNowItem.accesskey;"
                         hidden="true"
-                        oncommand="gSync.doSync(event);" data-l10n-id="menu-tools-sync-now"/>
+                        oncommand="gSync.doSync(event);"/>
               <menuitem id="sync-reauthitem"
                         class="sync-ui-item"
+                        label="&syncReAuthItem.label;"
+                        accesskey="&syncReAuthItem.accesskey;"
                         hidden="true"
-                        oncommand="gSync.openSignInAgainPage('menubar');" data-l10n-id="menu-tools-sync-re-auth"/>
+                        oncommand="gSync.openSignInAgainPage('menubar');"/>
               <menuseparator id="devToolsSeparator"/>
-              <menu id="webDeveloperMenu" data-l10n-id="menu-tools-web-developer">
+              <menu id="webDeveloperMenu"
+                    label="&webDeveloperMenu.label;"
+                    accesskey="&webDeveloperMenu.accesskey;">
                 <menupopup id="menuWebDeveloperPopup">
                   <menuitem id="menu_pageSource"
+                            label="&pageSourceCmd.label;"
                             key="key_viewSource"
-                            command="View:PageSource" data-l10n-id="menu-tools-page-source"/>
+                            command="View:PageSource"
+                            accesskey="&pageSourceCmd.accesskey;"/>
                 </menupopup>
               </menu>
               <menuitem id="menu_pageInfo"
+                        accesskey="&pageInfoCmd.accesskey;"
+                        label="&pageInfoCmd.label;"
 #ifndef XP_WIN
                         key="key_viewInfo"
 #endif
-                        command="View:PageInfo" data-l10n-id="menu-tools-page-info"/>
+                        command="View:PageInfo"/>
 #ifndef XP_UNIX
               <menuseparator id="prefSep"/>
               <menuitem id="menu_preferences"
-                        oncommand="openPreferences(undefined);" data-l10n-id="menu-preferences"/>
+                        label="&preferencesCmd2.label;"
+                        accesskey="&preferencesCmd2.accesskey;"
+                        oncommand="openPreferences(undefined);"/>
 #endif
 #ifdef MOZ_DEBUG
               <menuitem id="menu_layout_debugger"
-                        data-l10n-id="menu-tools-layout-debugger"
+                        label="&ldbCmd.label;"
+                        accesskey="&ldbCmd.accesskey;"
                         oncommand="toOpenWindowByType('mozapp:layoutdebug',
                                           'chrome://layoutdebug/content/');"/>
 #endif
 #ifdef XP_MACOSX
 <!-- nsMenuBarX hides these and uses them to build the Application menu. -->
-<!-- We need to leave those strings in DTD until bug 1568133 is fixed. -->
               <menuitem id="menu_preferences" label="&preferencesCmdMac.label;" key="key_preferencesCmdMac" oncommand="openPreferences(undefined);"/>
               <menuitem id="menu_mac_services" label="&servicesMenuMac.label;"/>
               <menuitem id="menu_mac_hide_app" label="&hideThisAppCmdMac2.label;" key="key_hideThisAppCmdMac"/>
@@ -412,50 +538,72 @@
             </menu>
 #ifdef XP_MACOSX
             <menu id="windowMenu"
+                  label="&windowMenu.label;"
                   onpopupshowing="macWindowMenuDidShow();"
                   onpopuphidden="macWindowMenuDidHide();"
-                   data-l10n-id="menu-window-menu">
+                  >
                 <menupopup id="windowPopup">
                     <menuitem command="minimizeWindow" key="key_minimizeWindow"/>
                     <menuitem command="zoomWindow"/>
+                    <!-- decomment when "BringAllToFront" is implemented
                         <menuseparator/>
-                        <menuitem disabled="true" data-l10n-id="menu-window-bring-all-to-front"/> -->
+                        <menuitem label="&bringAllToFront.label;" disabled="true"/> -->
                     <menuseparator id="sep-window-list"/>
                 </menupopup>
             </menu>
 #endif
             <menu id="helpMenu"
 #ifdef XP_WIN
+                  label="&helpMenuWin.label;"
+                  accesskey="&helpMenuWin.accesskey;"
 #else
+                  label="&helpMenu.label;"
+                  accesskey="&helpMenu.accesskey;"
 #endif
-                   data-l10n-id="menu-help">
+                  >
               <menupopup id="menu_HelpPopup" onpopupshowing="buildHelpMenu();">
                 <menuitem id="menu_openHelp"
                           oncommand="openHelpLink('firefox-help')"
                           onclick="checkForMiddleClick(this, event);"
+                          label="&productHelp2.label;"
+                          accesskey="&productHelp2.accesskey;"
 #ifdef XP_MACOSX
-                          key="key_openHelpMac" data-l10n-id="menu-help-product"/>
+                          key="key_openHelpMac"/>
 #else
                           />
 #endif
                 <menuitem id="menu_openTour"
-                          oncommand="openTourPage();" data-l10n-id="menu-help-show-tour"/>
+                          oncommand="openTourPage();"
+                          label="&helpShowTour2.label;"
+                          accesskey="&helpShowTour2.accesskey;"/>
                 <menuitem id="menu_keyboardShortcuts"
                           oncommand="openHelpLink('keyboard-shortcuts')"
-                          onclick="checkForMiddleClick(this, event);" data-l10n-id="menu-help-keyboard-shortcuts"/>
+                          onclick="checkForMiddleClick(this, event);"
+                          label="&helpKeyboardShortcuts.label;"
+                          accesskey="&helpKeyboardShortcuts.accesskey;"/>
                 <menuitem id="troubleShooting"
+                          accesskey="&helpTroubleshootingInfo.accesskey;"
+                          label="&helpTroubleshootingInfo.label;"
                           oncommand="openTroubleshootingPage()"
-                          onclick="checkForMiddleClick(this, event);" data-l10n-id="menu-help-troubleshooting-info"/>
+                          onclick="checkForMiddleClick(this, event);"/>
                 <menuitem id="feedbackPage"
+                          accesskey="&helpFeedbackPage.accesskey;"
+                          label="&helpFeedbackPage.label;"
                           oncommand="openFeedbackPage()"
-                          onclick="checkForMiddleClick(this, event);" data-l10n-id="menu-help-feedback-page"/>
+                          onclick="checkForMiddleClick(this, event);"/>
                 <menuitem id="helpSafeMode"
-                          oncommand="safeModeRestart();" data-l10n-id="menu-help-safe-mode-without-addons"/>
+                          accesskey="&helpSafeMode.accesskey;"
+                          label="&helpSafeMode.label;"
+                          stopaccesskey="&helpSafeMode.stop.accesskey;"
+                          stoplabel="&helpSafeMode.stop.label;"
+                          oncommand="safeModeRestart();"/>
                 <menuitem id="menu_HelpPopup_reportPhishingtoolmenu"
+                          label="&reportDeceptiveSiteMenu.title;"
+                          accesskey="&reportDeceptiveSiteMenu.accesskey;"
                           disabled="true"
                           oncommand="openUILink(gSafeBrowsing.getReportURL('Phish'), event, {triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({})});"
                           onclick="checkForMiddleClick(this, event);"
-                          hidden="true" data-l10n-id="menu-help-report-deceptive-site"/>
+                          hidden="true"/>
                 <menuitem id="menu_HelpPopup_reportPhishingErrortoolmenu"
                           disabled="true"
                           oncommand="ReportFalseDeceptiveSite();"
@@ -468,7 +616,6 @@
                           oncommand="openUILinkIn(Services.policies.getSupportMenu().URL.href, 'tab', {triggeringPrincipal: Services.scriptSecurityManager.createNullPrincipal({})});"
                           onclick="checkForMiddleClick(this, event);"/>
                 <menuseparator id="aboutSeparator"/>
-                <!-- We need to leave those strings in DTD until bug 1568133 is fixed. -->
                 <menuitem id="aboutName"
                           accesskey="&aboutProduct2.accesskey;"
                           label="&aboutProduct2.label;"
diff --git a/browser/base/content/browser.js b/browser/base/content/browser.js
index 90c8defad218..190ed41aed08 100644
--- a/browser/base/content/browser.js
+++ b/browser/base/content/browser.js
@@ -2006,7 +2006,8 @@ var gBrowserInit = {
 
     let safeMode = document.getElementById("helpSafeMode");
     if (Services.appinfo.inSafeMode) {
-      document.l10n.setAttributes(safeMode, "menu-help-safe-mode-with-addons");
+      safeMode.label = safeMode.getAttribute("stoplabel");
+      safeMode.accessKey = safeMode.getAttribute("stopaccesskey");
     }
 
     // BiDi UI
diff --git a/browser/base/content/browser.xhtml b/browser/base/content/browser.xhtml
index 9606d94c6c91..0c0c2561f89b 100644
--- a/browser/base/content/browser.xhtml
+++ b/browser/base/content/browser.xhtml
@@ -70,13 +70,7 @@
         sizemode="normal"
         retargetdocumentfocus="urlbar-input"
         persist="screenX screenY width height sizemode"
-        data-l10n-sync="true">
-
-<linkset>
-  <html:link rel="localization" href="branding/brand.ftl"/>
-  <html:link rel="localization" href="browser/branding/sync-brand.ftl"/>
-  <html:link rel="localization" href="browser/menubar.ftl"/>
-</linkset>
+        >
 
 # All JS files which are needed by browser.xhtml and other top level windows to
 # support MacOS specific features *must* go into the global-scripts.inc file so
diff --git a/browser/base/content/macWindow.inc.xul b/browser/base/content/macWindow.inc.xul
index a5e63792c3df..02c6b0d27801 100644
--- a/browser/base/content/macWindow.inc.xul
+++ b/browser/base/content/macWindow.inc.xul
@@ -10,12 +10,6 @@
 # below that are shared with browser.xhtml. When including this file,
 # browser-doctype.inc must also be included.
 
-<linkset>
-  <html:link rel="localization" href="branding/brand.ftl"/>
-  <html:link rel="localization" href="browser/branding/sync-brand.ftl"/>
-  <html:link rel="localization" href="browser/menubar.ftl"/>
-</linkset>
-
 # All JS files which are needed by browser.xhtml and other top level windows to
 # support MacOS specific features *must* go into the global-scripts.inc file so
 # that they can be shared with browser.xhtml.
diff --git a/browser/locales/en-US/browser/menubar.ftl b/browser/locales/en-US/browser/menubar.ftl
deleted file mode 100644
index 8cc12cd1b6d9..000000000000
--- a/browser/locales/en-US/browser/menubar.ftl
+++ /dev/null
@@ -1,282 +0,0 @@
-# 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/.
-
-## File Menu
-
-menu-file =
-    .label = File
-    .accesskey = F
-menu-file-new-tab =
-    .label = New Tab
-    .accesskey = T
-menu-file-new-container-tab =
-    .label = New Container Tab
-    .accesskey = b
-menu-file-new-window =
-    .label = New Window
-    .accesskey = N
-menu-file-new-private-window =
-    .label = New Private Window
-    .accesskey = W
-# "Open Location" is only displayed on macOS, and only on windows
-# that aren't main browser windows, or when there are no windows
-# but Firefox is still running.
-menu-file-open-location =
-    .label = Open Location…
-menu-file-open-file =
-    .label = Open File…
-    .accesskey = O
-menu-file-close =
-    .label = Close
-    .accesskey = C
-menu-file-close-window =
-    .label = Close Window
-    .accesskey = d
-menu-file-save-page =
-    .label = Save Page As…
-    .accesskey = A
-menu-file-email-link =
-    .label = Email Link…
-    .accesskey = E
-menu-file-print-setup =
-    .label = Page Setup…
-    .accesskey = u
-menu-file-print-preview =
-    .label = Print Preview
-    .accesskey = v
-menu-file-print =
-    .label = Print…
-    .accesskey = P
-menu-file-import-from-another-browser =
-    .label = Import from Another Browser…
-    .accesskey = I
-menu-file-go-offline =
-    .label = Work Offline
-    .accesskey = k
-
-## Edit Menu
-
-menu-edit =
-    .label = Edit
-    .accesskey = E
-menu-edit-undo =
-    .label = Undo
-    .accesskey = U
-menu-edit-redo =
-    .label = Redo
-    .accesskey = R
-menu-edit-cut =
-    .label = Cut
-    .accesskey = t
-menu-edit-copy =
-    .label = Copy
-    .accesskey = C
-menu-edit-paste =
-    .label = Paste
-    .accesskey = P
-menu-edit-delete =
-    .label = Delete
-    .accesskey = D
-menu-edit-select-all =
-    .label = Select All
-    .accesskey = A
-menu-edit-find-on =
-    .label = Find in This Page…
-    .accesskey = F
-menu-edit-find-again =
-    .label = Find Again
-    .accesskey = g
-menu-edit-bidi-switch-text-direction =
-    .label = Switch Text Direction
-    .accesskey = w
-
-## View Menu
-
-menu-view =
-    .label = View
-    .accesskey = V
-menu-view-toolbars-menu =
-    .label = Toolbars
-    .accesskey = T
-menu-view-customize-toolbar =
-    .label = Customize…
-    .accesskey = C
-menu-view-sidebar =
-    .label = Sidebar
-    .accesskey = e
-menu-view-bookmarks =
-    .label = Bookmarks
-menu-view-history-button =
-    .label = History
-menu-view-synced-tabs-sidebar =
-    .label = Synced Tabs
-menu-view-full-zoom =
-    .label = Zoom
-    .accesskey = Z
-menu-view-full-zoom-enlarge =
-    .label = Zoom In
-    .accesskey = I
-menu-view-full-zoom-reduce =
-    .label = Zoom Out
-    .accesskey = O
-menu-view-full-zoom-reset =
-    .label = Reset
-    .accesskey = R
-menu-view-full-zoom-toggle =
-    .label = Zoom Text Only
-    .accesskey = T
-menu-view-page-style-menu =
-    .label = Page Style
-    .accesskey = y
-menu-view-page-style-no-style =
-    .label = No Style
-    .accesskey = n
-menu-view-page-basic-style =
-    .label = Basic Page Style
-    .accesskey = B
-menu-view-charset =
-    .label = Text Encoding
-    .accesskey = c
-
-## These should match what Safari and other Apple applications
-## use on macOS.
-
-menu-view-enter-full-screen =
-    .label = Enter Full Screen
-    .accesskey = F
-menu-view-exit-full-screen =
-    .label = Exit Full Screen
-    .accesskey = F
-menu-view-full-screen =
-    .label = Full Screen
-    .accesskey = F
-
-##
-
-menu-view-show-all-tabs =
-    .label = Show All Tabs
-    .accesskey = A
-menu-view-bidi-switch-page-direction =
-    .label = Switch Page Direction
-    .accesskey = D
-
-## History Menu
-
-menu-history =
-    .label = History
-    .accesskey = s
-menu-history-show-all-history =
-    .label = Show All History
-menu-history-clear-recent-history =
-    .label = Clear Recent History…
-menu-history-synced-tabs =
-    .label = Synced Tabs
-menu-history-restore-last-session =
-    .label = Restore Previous Session
-menu-history-hidden-tabs =
-    .label = Hidden Tabs
-menu-history-undo-menu =
-    .label = Recently Closed Tabs
-menu-history-undo-window-menu =
-    .label = Recently Closed Windows
-
-## Bookmarks Menu
-
-menu-bookmarks-menu =
-    .label = Bookmarks
-    .accesskey = B
-menu-bookmarks-show-all =
-    .label = Show All Bookmarks
-menu-bookmarks-all-tabs =
-    .label = Bookmark All Tabs…
-menu-bookmarks-toolbar =
-    .label = Bookmarks Toolbar
-menu-bookmarks-other =
-    .label = Other Bookmarks
-menu-bookmarks-mobile =
-    .label = Mobile Bookmarks
-
-## Tools Menu
-
-menu-tools =
-    .label = Tools
-    .accesskey = T
-menu-tools-downloads =
-    .label = Downloads
-    .accesskey = D
-menu-tools-addons =
-    .label = Add-ons
-    .accesskey = A
-menu-tools-sync-sign-in =
-    .label = Sign In To { -sync-brand-short-name }…
-    .accesskey = y
-menu-tools-sync-now =
-    .label = Sync Now
-    .accesskey = S
-menu-tools-sync-re-auth =
-    .label = Reconnect to { -sync-brand-short-name }…
-    .accesskey = R
-menu-tools-web-developer =
-    .label = Web Developer
-    .accesskey = W
-menu-tools-page-source =
-    .label = Page Source
-    .accesskey = o
-menu-tools-page-info =
-    .label = Page Info
-    .accesskey = I
-menu-preferences =
-    .label =
-        { PLATFORM() ->
-            [windows] Options
-           *[other] Preferences
-        }
-    .accesskey =
-        { PLATFORM() ->
-            [windows] O
-           *[other] n
-        }
-menu-tools-layout-debugger =
-    .label = Layout Debugger
-    .accesskey = L
-
-## Window Menu
-
-menu-window-menu =
-    .label = Window
-menu-window-bring-all-to-front =
-    .label = Bring All to Front
-
-## Help Menu
-
-menu-help =
-    .label = Help
-    .accesskey = H
-menu-help-product =
-    .label = { -brand-shorter-name } Help
-    .accesskey = H
-menu-help-show-tour =
-    .label = { -brand-shorter-name } Tour
-    .accesskey = o
-menu-help-keyboard-shortcuts =
-    .label = Keyboard Shortcuts
-    .accesskey = K
-menu-help-troubleshooting-info =
-    .label = Troubleshooting Information
-    .accesskey = T
-menu-help-feedback-page =
-    .label = Submit Feedback…
-    .accesskey = S
-menu-help-safe-mode-without-addons =
-    .label = Restart with Add-ons Disabled…
-    .accesskey = R
-menu-help-safe-mode-with-addons =
-    .label = Restart with Add-ons Enabled
-    .accesskey = R
-# Label of the Help menu item. Either this or
-# safeb.palm.notdeceptive.label from
-# phishing-afterload-warning-message.dtd is shown.
-menu-help-report-deceptive-site =
-    .label = Report Deceptive Site…
-    .accesskey = D
diff --git a/browser/locales/en-US/chrome/browser/browser.dtd b/browser/locales/en-US/chrome/browser/browser.dtd
index c8849f538794..d3f8d9171a77 100644
--- a/browser/locales/en-US/chrome/browser/browser.dtd
+++ b/browser/locales/en-US/chrome/browser/browser.dtd
@@ -49,15 +49,29 @@ in "Search through tabs". -->
 <!ENTITY  allTabsMenu.searchTabs.label       "Search Tabs">
 
 <!ENTITY tabCmd.label "New Tab">
+<!ENTITY tabCmd.accesskey "T">
 <!ENTITY tabCmd.commandkey "t">
+<!-- LOCALIZATION NOTE (openLocationCmd.label): "Open Location" is only
+displayed on OS X, and only on windows that aren't main browser windows, or
+when there are no windows but Firefox is still running. -->
+<!ENTITY openLocationCmd.label "Open Location…">
 <!ENTITY openFileCmd.label "Open File…">
+<!ENTITY openFileCmd.accesskey "O">
 <!ENTITY openFileCmd.commandkey "o">
+<!ENTITY printSetupCmd.label "Page Setup…">
+<!ENTITY printSetupCmd.accesskey "u">
+<!ENTITY printPreviewCmd.label "Print Preview">
+<!ENTITY printPreviewCmd.accesskey "v">
 <!ENTITY printCmd.label "Print…">
+<!ENTITY printCmd.accesskey "P">
 <!ENTITY printCmd.commandkey "p">
+<!ENTITY importFromAnotherBrowserCmd.label "Import from Another Browser…">
+<!ENTITY importFromAnotherBrowserCmd.accesskey "I">
 
 <!ENTITY taskManagerCmd.label "Task Manager">
 
 <!ENTITY goOfflineCmd.label "Work Offline">
+<!ENTITY goOfflineCmd.accesskey "k">
 
 <!ENTITY menubarCmd.label "Menu Bar">
 <!ENTITY menubarCmd.accesskey "M">
@@ -79,10 +93,21 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 <!ENTITY pageInfoCmd.label "Page Info">
 <!ENTITY pageInfoCmd.accesskey "I">
 <!ENTITY pageInfoCmd.commandkey "i">
+<!ENTITY ldbCmd.label "Layout Debugger">
+<!ENTITY ldbCmd.accesskey "L">
 <!ENTITY mirrorTabCmd.label "Mirror Tab">
 <!ENTITY mirrorTabCmd.accesskey "m">
+<!-- LOCALIZATION NOTE (enterFullScreenCmd.label, exitFullScreenCmd.label):
+These should match what Safari and other Apple applications use on OS X Lion. -->
+<!ENTITY enterFullScreenCmd.label "Enter Full Screen">
+<!ENTITY enterFullScreenCmd.accesskey "F">
+<!ENTITY exitFullScreenCmd.label "Exit Full Screen">
+<!ENTITY exitFullScreenCmd.accesskey "F">
 <!ENTITY fullScreenCmd.label "Full Screen">
+<!ENTITY fullScreenCmd.accesskey "F">
 <!ENTITY fullScreenCmd.macCommandKey "f">
+<!ENTITY showAllTabsCmd.label "Show All Tabs">
+<!ENTITY showAllTabsCmd.accesskey "A">
 <!ENTITY toggleReaderMode.key "R">
 <!ENTITY toggleReaderMode.win.keycode "VK_F9">
 
@@ -153,14 +178,20 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 <!ENTITY pointerlockWarning.afterDomain.label "has control of your pointer. Press Esc to take back control.">
 <!ENTITY pointerlockWarning.generic.label "This document has control of your pointer. Press Esc to take back control.">
 
+<!ENTITY closeWindow.label "Close Window">
+<!ENTITY closeWindow.accesskey "d">
+
 <!ENTITY bookmarksMenu.label "Bookmarks">
 <!ENTITY bookmarksMenu.accesskey "B">
 <!ENTITY bookmarkThisPageCmd.label "Bookmark This Page">
 <!ENTITY editThisBookmarkCmd.label "Edit This Bookmark">
 <!ENTITY bookmarkThisPageCmd.commandkey "d">
 
+<!ENTITY addCurPagesCmd.label "Bookmark All Tabs…">
 <!ENTITY showAllBookmarks2.label "Show All Bookmarks">
 <!ENTITY recentBookmarks.label "Recently Bookmarked">
+<!ENTITY otherBookmarksCmd.label "Other Bookmarks">
+<!ENTITY mobileBookmarksCmd.label "Mobile Bookmarks">
 <!ENTITY bookmarksToolbarChevron.tooltip "Show more bookmarks">
 
 <!ENTITY backCmd.label                "Back">
@@ -252,6 +283,9 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 <!ENTITY historyButton.label            "History">
 <!ENTITY historySidebarCmd.commandKey   "h">
 
+<!ENTITY toolsMenu.label              "Tools">
+<!ENTITY toolsMenu.accesskey          "T">
+
 <!ENTITY keywordfield.label           "Add a Keyword for this Search…">
 <!ENTITY keywordfield.accesskey       "K">
 
@@ -259,26 +293,35 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 <!-- LOCALIZATION NOTE (libraryDownloads.label): This label is similar to
   -  downloads.label, but used in the Library panel. -->
 <!ENTITY libraryDownloads.label       "Downloads">
+<!ENTITY downloads.accesskey          "D">
 <!ENTITY downloads.commandkey         "j">
 <!ENTITY downloadsUnix.commandkey     "y">
 <!ENTITY addons.label                 "Add-ons">
+<!ENTITY addons.accesskey             "A">
 <!ENTITY addons.commandkey            "A">
 
 <!ENTITY webDeveloperMenu.label       "Web Developer">
+<!ENTITY webDeveloperMenu.accesskey   "W">
 
 <!ENTITY inspectContextMenu.label     "Inspect Element">
 <!ENTITY inspectContextMenu.accesskey "Q">
 
 <!ENTITY inspectA11YContextMenu.label     "Inspect Accessibility Properties">
 
+<!ENTITY fileMenu.label         "File">
+<!ENTITY fileMenu.accesskey       "F">
 <!ENTITY newUserContext.label             "New Container Tab">
+<!ENTITY newUserContext.accesskey         "B">
 <!ENTITY manageUserContext.label          "Manage Containers">
 <!ENTITY manageUserContext.accesskey      "O">
 <!ENTITY newNavigatorCmd.label        "New Window">
 <!ENTITY newNavigatorCmd.key        "N">
+<!ENTITY newNavigatorCmd.accesskey      "N">
 <!ENTITY newPrivateWindow.label     "New Private Window">
+<!ENTITY newPrivateWindow.accesskey "W">
 
 <!ENTITY editMenu.label         "Edit">
+<!ENTITY editMenu.accesskey       "E">
 <!ENTITY undoCmd.label            "Undo">
 <!ENTITY undoCmd.key            "Z">
 <!ENTITY undoCmd.accesskey          "U">
@@ -301,21 +344,34 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 <!ENTITY selectAllCmd.key         "A">
 <!ENTITY selectAllCmd.accesskey       "A">
 <!ENTITY preferencesCmd2.label       "Options">
+<!ENTITY preferencesCmd2.accesskey     "O">
 <!ENTITY preferencesCmdUnix.label       "Preferences">
+<!ENTITY preferencesCmdUnix.accesskey     "n">
 <!ENTITY logins.label                           "Logins and Passwords">
 
+<!ENTITY clearRecentHistory.label               "Clear Recent History…">
+
 <!ENTITY privateBrowsingCmd.commandkey          "P">
 
+<!ENTITY viewMenu.label         "View">
+<!ENTITY viewMenu.accesskey       "V">
+<!ENTITY viewToolbarsMenu.label       "Toolbars">
+<!ENTITY viewToolbarsMenu.accesskey     "T">
+<!ENTITY viewSidebarMenu.label "Sidebar">
+<!ENTITY viewSidebarMenu.accesskey "e">
 <!ENTITY viewCustomizeToolbar.label       "Customize…">
 <!ENTITY viewCustomizeToolbar.accesskey     "C">
 <!ENTITY overflowCustomizeToolbar.label       "Customize Toolbar…">
 <!ENTITY overflowCustomizeToolbar.accesskey   "C">
 
 <!ENTITY historyMenu.label "History">
+<!ENTITY historyMenu.accesskey "s">
 <!ENTITY historyUndoMenu.label "Recently Closed Tabs">
 <!-- LOCALIZATION NOTE (historyUndoWindowMenu): see bug 394759 -->
 <!ENTITY historyUndoWindowMenu.label "Recently Closed Windows">
+<!ENTITY historyRestoreLastSession.label "Restore Previous Session">
 
+<!ENTITY showAllHistoryCmd2.label "Show All History">
 <!ENTITY showAllHistoryCmd.commandkey "H">
 
 <!ENTITY appMenuHistory.showAll.label "Show All History">
@@ -526,8 +582,10 @@ convenience of Safari and Chrome users on macOS. See bug 1398988. -->
 <!ENTITY pocketMenuitem.label         "View Pocket List">
 
 <!ENTITY emailPageCmd.label           "Email Link…">
-<!-- alternate for content area context menu -->
+<!ENTITY emailPageCmd.accesskey       "E">
 <!ENTITY savePageCmd.label            "Save Page As…">
+<!ENTITY savePageCmd.accesskey        "A">
+<!-- alternate for content area context menu -->
 <!ENTITY savePageCmd.accesskey2       "P">
 <!ENTITY savePageCmd.commandkey       "s">
 <!ENTITY saveFrameCmd.label           "Save Frame As…">
@@ -630,16 +688,24 @@ fullZoomResetCmd.commandkey2 are alternative acceleration keys for zoom.
 If shift key is needed with your locale popular keyboard for them,
 you can use these alternative items. Otherwise, their values should be empty.  -->
 
+<!ENTITY fullZoomEnlargeCmd.label       "Zoom In">
+<!ENTITY fullZoomEnlargeCmd.accesskey   "I">
 <!ENTITY fullZoomEnlargeCmd.commandkey  "+">
 <!ENTITY fullZoomEnlargeCmd.commandkey2 "="> <!-- + is above this key on many keyboards -->
 <!ENTITY fullZoomEnlargeCmd.commandkey3 "">
 
+<!ENTITY fullZoomReduceCmd.label        "Zoom Out">
+<!ENTITY fullZoomReduceCmd.accesskey    "O">
 <!ENTITY fullZoomReduceCmd.commandkey   "-">
 <!ENTITY fullZoomReduceCmd.commandkey2  "">
 
+<!ENTITY fullZoomResetCmd.label         "Reset">
+<!ENTITY fullZoomResetCmd.accesskey     "R">
 <!ENTITY fullZoomResetCmd.commandkey    "0">
 <!ENTITY fullZoomResetCmd.commandkey2   "">
 
+<!ENTITY fullZoomToggleCmd.label        "Zoom Text Only">
+<!ENTITY fullZoomToggleCmd.accesskey    "T">
 <!ENTITY fullZoom.label                 "Zoom">
 <!ENTITY fullZoom.accesskey             "Z">
 
@@ -656,10 +722,19 @@ you can use these alternative items. Otherwise, their values should be empty.  -
 <!ENTITY quitApplicationCmdMac2.label   "Quit &brandShorterName;">
 <!ENTITY quitApplicationCmd.key         "Q">
 
+<!ENTITY closeCmd.label                 "Close">
 <!ENTITY closeCmd.key                   "W">
+<!ENTITY closeCmd.accesskey             "C">
 
 <!ENTITY toggleMuteCmd.key              "M">
 
+<!ENTITY pageStyleMenu.label "Page Style">
+<!ENTITY pageStyleMenu.accesskey "y">
+<!ENTITY pageStyleNoStyle.label "No Style">
+<!ENTITY pageStyleNoStyle.accesskey "n">
+<!ENTITY pageStylePersistentOnly.label "Basic Page Style">
+<!ENTITY pageStylePersistentOnly.accesskey "b">
+
 <!ENTITY allowPopups.accesskey "p">
 <!-- On Windows we use the term "Options" to describe settings, but
      on Linux and Mac OS X we use "Preferences" - carry that distinction
@@ -676,7 +751,10 @@ you can use these alternative items. Otherwise, their values should be empty.  -
 <!ENTITY bidiSwitchTextDirectionItem.commandkey   "X">
 
 <!ENTITY findOnCmd.label     "Find in This Page…">
+<!ENTITY findOnCmd.accesskey "F">
 <!ENTITY findOnCmd.commandkey "f">
+<!ENTITY findAgainCmd.label  "Find Again">
+<!ENTITY findAgainCmd.accesskey "g">
 <!ENTITY findAgainCmd.commandkey "g">
 <!ENTITY findAgainCmd.commandkey2 "VK_F3">
 <!ENTITY findSelectionCmd.commandkey "e">
@@ -790,13 +868,20 @@ you can use these alternative items. Otherwise, their values should be empty.  -
      The word "toolbar" is appended automatically and should not be contained below! -->
 <!ENTITY tabsToolbar.label "Browser tabs">
 
+<!-- LOCALIZATION NOTE (syncTabsMenu3.label): This appears in the history menu -->
+<!ENTITY syncTabsMenu3.label     "Synced Tabs">
+
 <!ENTITY syncedTabs.sidebar.label              "Synced Tabs">
 
 <!ENTITY syncBrand.shortName.label    "Sync">
 
+<!ENTITY syncSignIn.label             "Sign In To &syncBrand.shortName.label;…">
+<!ENTITY syncSignIn.accesskey         "Y">
 <!ENTITY syncSyncNowItem.label        "Sync Now">
 <!ENTITY syncSyncNowItemSyncing.label "Syncing…">
 <!ENTITY syncSyncNowItem.accesskey    "S">
+<!ENTITY syncReAuthItem.label         "Reconnect to &syncBrand.shortName.label;…">
+<!ENTITY syncReAuthItem.accesskey     "R">
 <!ENTITY syncToolbarButton.label      "Sync">
 
 <!ENTITY customizeMode.autoHideDownloadsButton.label "Auto-hide">
diff --git a/browser/locales/en-US/chrome/browser/safebrowsing/report-phishing.dtd b/browser/locales/en-US/chrome/browser/safebrowsing/report-phishing.dtd
new file mode 100644
index 000000000000..f55b94efcb00
--- /dev/null
+++ b/browser/locales/en-US/chrome/browser/safebrowsing/report-phishing.dtd
@@ -0,0 +1,13 @@
+<!-- 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/. -->
+
+<!-- Localization note (reportDeceptiveSiteMenu.title) - Label of the Help menu
+  item. Either this or safeb.palm.notdeceptive.label from
+  phishing-afterload-warning-message.dtd is shown. -->
+<!ENTITY reportDeceptiveSiteMenu.title      "Report Deceptive Site…">
+<!-- Localization note (reportDeceptiveSiteMenu.accesskey) - Because
+  safeb.palm.notdeceptive.label from phishing-afterload-warning-message.dtd and
+  reportDeceptiveSiteMenu.title are never shown at the same time, the same
+  accesskey can be used for them. -->
+<!ENTITY reportDeceptiveSiteMenu.accesskey  "D">
diff --git a/browser/locales/jar.mn b/browser/locales/jar.mn
index 447970154b83..026cea822a58 100644
--- a/browser/locales/jar.mn
+++ b/browser/locales/jar.mn
@@ -41,6 +41,7 @@
     locale/browser/places/places.properties        (%chrome/browser/places/places.properties)
     locale/browser/places/editBookmarkOverlay.dtd  (%chrome/browser/places/editBookmarkOverlay.dtd)
     locale/browser/places/bookmarkProperties.properties (%chrome/browser/places/bookmarkProperties.properties)
+    locale/browser/safebrowsing/report-phishing.dtd                    (%chrome/browser/safebrowsing/report-phishing.dtd)
     locale/browser/safebrowsing/safebrowsing.properties   (%chrome/browser/safebrowsing/safebrowsing.properties)
     locale/browser/feeds/subscribe.properties       (%chrome/browser/feeds/subscribe.properties)
     locale/browser/migration/migration.dtd         (%chrome/browser/migration/migration.dtd)
diff --git a/python/l10n/fluent_migrations/bug_1501886_browser-menubar.py b/python/l10n/fluent_migrations/bug_1501886_browser-menubar.py
deleted file mode 100644
index e94b043c9319..000000000000
--- a/python/l10n/fluent_migrations/bug_1501886_browser-menubar.py
+++ /dev/null
@@ -1,347 +0,0 @@
-
-# Any copyright is dedicated to the Public Domain.
-# http://creativecommons.org/publicdomain/zero/1.0/
-
-from __future__ import absolute_import
-import fluent.syntax.ast as FTL
-from fluent.migrate.helpers import transforms_from
-from fluent.migrate.helpers import MESSAGE_REFERENCE, TERM_REFERENCE, VARIABLE_REFERENCE
-from fluent.migrate import COPY, CONCAT, REPLACE
-
-
-def migrate(ctx):
-    """Bug 1501886 - Migrate browser main menubar to Fluent, part {index}"""
-
-    ctx.add_transforms(
-        'browser/browser/menubar.ftl',
-        'browser/browser/menubar.ftl',
-        transforms_from(
-"""
-menu-file =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fileMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fileMenu.accesskey") }
-menu-file-new-tab =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "tabCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "tabCmd.accesskey") }
-menu-file-new-container-tab =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "newUserContext.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "newUserContext.accesskey") }
-menu-file-new-window =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "newNavigatorCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "newNavigatorCmd.accesskey") }
-menu-file-new-private-window =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "newPrivateWindow.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "newPrivateWindow.accesskey") }
-menu-file-open-location =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "openLocationCmd.label") }
-menu-file-open-file =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "openFileCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "openFileCmd.accesskey") }
-menu-file-close =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "closeCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "closeCmd.accesskey") }
-menu-file-close-window =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "closeWindow.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "closeWindow.accesskey") }
-menu-file-save-page =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "savePageCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "savePageCmd.accesskey") }
-menu-file-email-link =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "emailPageCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "emailPageCmd.accesskey") }
-menu-file-print-setup =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "printSetupCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "printSetupCmd.accesskey") }
-menu-file-print-preview =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "printPreviewCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "printPreviewCmd.accesskey") }
-menu-file-print =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "printCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "printCmd.accesskey") }
-menu-file-import-from-another-browser =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "importFromAnotherBrowserCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "importFromAnotherBrowserCmd.accesskey") }
-menu-file-go-offline =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "goOfflineCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "goOfflineCmd.accesskey") }
-menu-edit =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "editMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "editMenu.accesskey") }
-menu-edit-undo =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "undoCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "undoCmd.accesskey") }
-menu-edit-redo =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "redoCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "redoCmd.accesskey") }
-menu-edit-cut =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "cutCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "cutCmd.accesskey") }
-menu-edit-copy =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "copyCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "copyCmd.accesskey") }
-menu-edit-paste =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "pasteCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "pasteCmd.accesskey") }
-menu-edit-delete =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "deleteCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "deleteCmd.accesskey") }
-menu-edit-select-all =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "selectAllCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "selectAllCmd.accesskey") }
-menu-edit-find-on =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "findOnCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "findOnCmd.accesskey") }
-menu-edit-find-again =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "findAgainCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "findAgainCmd.accesskey") }
-menu-edit-bidi-switch-text-direction =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "bidiSwitchTextDirectionItem.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "bidiSwitchTextDirectionItem.accesskey") }
-menu-view =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "viewMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "viewMenu.accesskey") }
-menu-view-toolbars-menu =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "viewToolbarsMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "viewToolbarsMenu.accesskey") }
-menu-view-customize-toolbar =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "viewCustomizeToolbar.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "viewCustomizeToolbar.accesskey") }
-menu-view-sidebar =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "viewSidebarMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "viewSidebarMenu.accesskey") }
-menu-view-bookmarks =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "bookmarksButton.label") }
-menu-view-history-button =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "historyButton.label") }
-menu-view-synced-tabs-sidebar =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "syncedTabs.sidebar.label") }
-menu-view-full-zoom =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fullZoom.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fullZoom.accesskey") }
-menu-view-full-zoom-enlarge =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fullZoomEnlargeCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fullZoomEnlargeCmd.accesskey") }
-menu-view-full-zoom-reduce =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fullZoomReduceCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fullZoomReduceCmd.accesskey") }
-menu-view-full-zoom-reset =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fullZoomResetCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fullZoomResetCmd.accesskey") }
-menu-view-full-zoom-toggle =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fullZoomToggleCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fullZoomToggleCmd.accesskey") }
-menu-view-page-style-menu =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "pageStyleMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "pageStyleMenu.accesskey") }
-menu-view-page-style-no-style =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "pageStyleNoStyle.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "pageStyleNoStyle.accesskey") }
-menu-view-page-basic-style =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "pageStylePersistentOnly.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "pageStylePersistentOnly.accesskey") }
-menu-view-charset =
-    .label = { COPY("toolkit/chrome/global/charsetMenu.dtd", "charsetMenu2.label") }
-    .accesskey = { COPY("toolkit/chrome/global/charsetMenu.dtd", "charsetMenu2.accesskey") }
-menu-view-enter-full-screen =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "enterFullScreenCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "enterFullScreenCmd.accesskey") }
-menu-view-exit-full-screen =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "exitFullScreenCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "exitFullScreenCmd.accesskey") }
-menu-view-full-screen =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "fullScreenCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "fullScreenCmd.accesskey") }
-menu-view-show-all-tabs =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "showAllTabsCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "showAllTabsCmd.accesskey") }
-menu-view-bidi-switch-page-direction =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "bidiSwitchPageDirectionItem.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "bidiSwitchPageDirectionItem.accesskey") }
-menu-history =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "historyMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "historyMenu.accesskey") }
-menu-history-show-all-history =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "showAllHistoryCmd2.label") }
-menu-history-clear-recent-history =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "clearRecentHistory.label") }
-menu-history-synced-tabs =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "syncTabsMenu3.label") }
-menu-history-restore-last-session =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "historyRestoreLastSession.label") }
-menu-history-hidden-tabs =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "hiddenTabs.label") }
-menu-history-undo-menu =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "historyUndoMenu.label") }
-menu-history-undo-window-menu =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "historyUndoWindowMenu.label") }
-menu-bookmarks-menu =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "bookmarksMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "bookmarksMenu.accesskey") }
-menu-bookmarks-show-all =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "showAllBookmarks2.label") }
-menu-bookmarks-all-tabs =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "addCurPagesCmd.label") }
-menu-bookmarks-toolbar =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "personalbarCmd.label") }
-menu-bookmarks-other =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "otherBookmarksCmd.label") }
-menu-bookmarks-mobile =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "mobileBookmarksCmd.label") }
-menu-tools =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "toolsMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "toolsMenu.accesskey") }
-menu-tools-downloads =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "downloads.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "downloads.accesskey") }
-menu-tools-addons =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "addons.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "addons.accesskey") }
-menu-tools-sync-now =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "syncSyncNowItem.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "syncSyncNowItem.accesskey") }
-menu-tools-web-developer =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "webDeveloperMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "webDeveloperMenu.accesskey") }
-menu-tools-page-source =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "pageSourceCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "pageSourceCmd.accesskey") }
-menu-tools-page-info =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "pageInfoCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "pageInfoCmd.accesskey") }
-menu-preferences =
-    .label =
-        { PLATFORM() ->
-            [windows] { COPY("browser/chrome/browser/browser.dtd", "preferencesCmd2.label") }
-           *[other] { COPY("browser/chrome/browser/browser.dtd", "preferencesCmdUnix.label") }
-        }
-    .accesskey =
-        { PLATFORM() ->
-            [windows] { COPY("browser/chrome/browser/browser.dtd", "preferencesCmd2.accesskey") }
-           *[other] { COPY("browser/chrome/browser/browser.dtd", "preferencesCmdUnix.accesskey") }
-        }
-menu-tools-layout-debugger =
-    .label = { COPY("browser/chrome/browser/browser.dtd", "ldbCmd.label") }
-    .accesskey = { COPY("browser/chrome/browser/browser.dtd", "ldbCmd.accesskey") }
-menu-window-menu =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "windowMenu.label") }
-menu-window-bring-all-to-front =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "bringAllToFront.label") }
-menu-help =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpMenu.label") }
-    .accesskey = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpMenu.accesskey") }
-menu-help-keyboard-shortcuts =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpKeyboardShortcuts.label") }
-    .accesskey = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpKeyboardShortcuts.accesskey") }
-menu-help-troubleshooting-info =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpTroubleshootingInfo.label") }
-    .accesskey = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpTroubleshootingInfo.accesskey") }
-menu-help-feedback-page =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpFeedbackPage.label") }
-    .accesskey = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpFeedbackPage.accesskey") }
-menu-help-safe-mode-without-addons =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpSafeMode.label") }
-    .accesskey = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpSafeMode.accesskey") }
-menu-help-safe-mode-with-addons =
-    .label = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpSafeMode.stop.label") }
-    .accesskey = { COPY("browser/chrome/browser/baseMenuOverlay.dtd", "helpSafeMode.stop.accesskey") }
-menu-help-report-deceptive-site =
-    .label = { COPY("browser/chrome/browser/safebrowsing/report-phishing.dtd", "reportDeceptiveSiteMenu.title") }
-    .accesskey = { COPY("browser/chrome/browser/safebrowsing/report-phishing.dtd", "reportDeceptiveSiteMenu.accesskey") }
-"""
-        )
-    )
-
-    ctx.add_transforms(
-        'browser/browser/menubar.ftl',
-        'browser/browser/menubar.ftl',
-        [
-            FTL.Message(
-                id=FTL.Identifier('menu-tools-sync-sign-in'),
-                attributes=[
-                    FTL.Attribute(
-                        id=FTL.Identifier("label"),
-                        value=REPLACE(
-                            "browser/chrome/browser/browser.dtd",
-                            "syncSignIn.label",
-                            {
-                                "&syncBrand.shortName.label;": TERM_REFERENCE("sync-brand-short-name"),
-                            }
-                        ),
-                    ),
-                    FTL.Attribute(
-                        id=FTL.Identifier("accesskey"),
-                        value=COPY(
-                            "browser/chrome/browser/browser.dtd",
-                            "syncSignIn.accesskey",
-                        ),
-                    ),
-                ]
-            ),
-            FTL.Message(
-                id=FTL.Identifier('menu-tools-sync-re-auth'),
-                attributes=[
-                    FTL.Attribute(
-                        id=FTL.Identifier("label"),
-                        value=REPLACE(
-                            "browser/chrome/browser/browser.dtd",
-                            "syncReAuthItem.label",
-                            {
-                                "&syncBrand.shortName.label;": TERM_REFERENCE("sync-brand-short-name"),
-                            }
-                        ),
-                    ),
-                    FTL.Attribute(
-                        id=FTL.Identifier("accesskey"),
-                        value=COPY(
-                            "browser/chrome/browser/browser.dtd",
-                            "syncReAuthItem.accesskey",
-                        ),
-                    ),
-                ]
-            ),
-            FTL.Message(
-                id=FTL.Identifier('menu-help-product'),
-                attributes=[
-                    FTL.Attribute(
-                        id=FTL.Identifier("label"),
-                        value=REPLACE(
-                            "browser/chrome/browser/baseMenuOverlay.dtd",
-                            "productHelp2.label",
-                            {
-                                "&brandShorterName;": TERM_REFERENCE("brand-shorter-name"),
-                            }
-                        ),
-                    ),
-                    FTL.Attribute(
-                        id=FTL.Identifier("accesskey"),
-                        value=COPY(
-                            "browser/chrome/browser/baseMenuOverlay.dtd",
-                            "productHelp2.accesskey",
-                        ),
-                    ),
-                ]
-            ),
-            FTL.Message(
-                id=FTL.Identifier('menu-help-show-tour'),
-                attributes=[
-                    FTL.Attribute(
-                        id=FTL.Identifier("label"),
-                        value=REPLACE(
-                            "browser/chrome/browser/baseMenuOverlay.dtd",
-                            "helpShowTour2.label",
-                            {
-                                "&brandShorterName;": TERM_REFERENCE("brand-shorter-name"),
-                            }
-                        ),
-                    ),
-                    FTL.Attribute(
-                        id=FTL.Identifier("accesskey"),
-                        value=COPY(
-                            "browser/chrome/browser/baseMenuOverlay.dtd",
-                            "helpShowTour2.accesskey",
-                        ),
-                    ),
-                ]
-            ),
-        ]
-    )
\ No newline at end of file
diff --git a/toolkit/locales/en-US/chrome/global/charsetMenu.dtd b/toolkit/locales/en-US/chrome/global/charsetMenu.dtd
index 4c235ac0eac0..14062725117a 100644
--- a/toolkit/locales/en-US/chrome/global/charsetMenu.dtd
+++ b/toolkit/locales/en-US/chrome/global/charsetMenu.dtd
@@ -3,3 +3,4 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
 <!ENTITY charsetMenu2.label            "Text Encoding">
+<!ENTITY charsetMenu2.accesskey        "c">