Backout 2823fca4f547 (bug 429824) for causing bug 1334140 in e10s. r=backout

widget/cocoa/nsChildView.mm

@@ -5474,23 +5474,10 @@ GetIntegerDeltaForEvent(NSEvent* aEvent)
     handled = mTextInputHandler->HandleKeyDownEvent(theEvent);
   }
 
-  // We always allow keyboard events to propagate to keyDown: but if they are
-  // not handled we give menu items a chance to act. This allows for handling of
-  // custom shortcuts. Note that existing shortcuts cannot be reassigned yet and
-  // will have been handled by keyDown: before we get here.
-  if (!handled && mGeckoChild) {
-    nsCocoaWindow* widget = mGeckoChild->GetXULWindowWidget();
-    if (widget) {
-      nsMenuBarX* mb = widget->GetMenuBar();
-      if (mb) {
-        // Check if main menu wants to handle the event.
-        handled = mb->PerformKeyEquivalent(theEvent);
-      }
-    }
-  }
+  // We always allow keyboard events to propagate to keyDown: but if they are not
+  // handled we give special Application menu items a chance to act.
   if (!handled && sApplicationMenu) {
-    // Check if application menu wants to handle the event.
-    handled = [sApplicationMenu performKeyEquivalent:theEvent];
+    [sApplicationMenu performKeyEquivalent:theEvent];
   }
 
   NS_OBJC_END_TRY_ABORT_BLOCK;

widget/cocoa/nsMenuBarX.h

@@ -47,7 +47,6 @@ protected:
 @interface GeckoNSMenu : NSMenu
 {
 }
-- (BOOL)performSuperKeyEquivalent:(NSEvent*)theEvent;
 @end
 
 // Objective-C class used as action target for menu items
@@ -120,7 +119,6 @@ public:
   static void       ResetNativeApplicationMenu();
   void              SetNeedsRebuild();
   void              ApplicationMenuOpened();
-  bool              PerformKeyEquivalent(NSEvent* theEvent);
 
 protected:
   void              ConstructNativeMenus();

widget/cocoa/nsMenuBarX.mm

@@ -527,11 +527,6 @@ void nsMenuBarX::ApplicationMenuOpened()
   }
 }
 
-bool nsMenuBarX::PerformKeyEquivalent(NSEvent* theEvent)
-{
-  return [mNativeMenu performSuperKeyEquivalent:theEvent];
-}
-
 // Hide the item in the menu by setting the 'hidden' attribute. Returns it in |outHiddenNode| so
 // the caller can hang onto it if they so choose. It is acceptable to pass nsull
 // for |outHiddenNode| if the caller doesn't care about the hidden node.
@@ -881,11 +876,6 @@ static BOOL gMenuItemsExecuteCommands = YES;
   return NO;
 }
 
-- (BOOL)performSuperKeyEquivalent:(NSEvent*)theEvent
-{
-  return [super performKeyEquivalent:theEvent];
-}
-
 @end
 
 //