[PALEMOON] Fix document navigation using F6

application/palemoon/base/content/browser-sets.inc

@@ -79,7 +79,6 @@
     <command id="Browser:NextTab" oncommand="gBrowser.tabContainer.advanceSelectedTab(1, true);"/>
     <command id="Browser:PrevTab" oncommand="gBrowser.tabContainer.advanceSelectedTab(-1, true);"/>
     <command id="Browser:ShowAllTabs" oncommand="allTabs.open();"/>
-    <command id="Browser:FocusNextFrame" oncommand="focusNextFrame(event);"/>
     <command id="cmd_fullZoomReduce"  oncommand="FullZoom.reduce()"/>
     <command id="cmd_fullZoomEnlarge" oncommand="FullZoom.enlarge()"/>
     <command id="cmd_fullZoomReset"   oncommand="FullZoom.reset()"/>
@@ -251,8 +250,6 @@
 #ifndef XP_MACOSX
     <key id="showAllHistoryKb" key="&showAllHistoryCmd.commandkey;" command="Browser:ShowAllHistory" modifiers="accel,shift"/>
     <key keycode="VK_F5" command="Browser:ReloadSkipCache" modifiers="accel"/>
-    <key keycode="VK_F6" command="Browser:FocusNextFrame"/>
-    <key keycode="VK_F6" command="Browser:FocusNextFrame" modifiers="shift"/>
     <key id="key_fullScreen" keycode="VK_F11" command="View:FullScreen"/>
 #else
     <key id="key_fullScreen" key="&fullScreenCmd.macCommandKey;" command="View:FullScreen" modifiers="accel,control"/>

application/palemoon/base/content/browser.js

@@ -7222,14 +7222,6 @@ var MousePosTracker = {
   }
 };
 
-function focusNextFrame(event) {
-  let fm = Services.focus;
-  let dir = event.shiftKey ? fm.MOVEFOCUS_BACKWARDDOC : fm.MOVEFOCUS_FORWARDDOC;
-  let element = fm.moveFocus(window, null, dir, fm.FLAG_BYKEY);
-  if (element.ownerDocument == document)
-    focusAndSelectUrlBar();
-}
-
 var BrowserChromeTest = {
   _cb: null,
   _ready: false,

application/palemoon/base/content/browser.xul

@@ -59,6 +59,7 @@
         macanimationtype="document"
         screenX="4" screenY="4"
         fullscreenbutton="true"
+        retargetdocumentfocus="urlbar"
         persist="screenX screenY width height sizemode">
 
 # All JS files which are not content (only) dependent that browser.xul

application/palemoon/components/downloads/content/downloadsOverlay.xul

@@ -35,7 +35,7 @@
              oncommand="goDoCommand('downloadsCmd_clearList')"/>
   </commandset>
 
-  <popupset>
+  <popupset id="mainPopupSet">
     <!-- The panel has level="top" to ensure that it is never hidden by the
          taskbar on Windows.  See bug 672365.  For accessibility to screen
          readers, we use a label on the panel instead of the anchor because the