  
    // Command key combinations are sent via performKeyEquivalent rather than
    // keyDown:. We just forward this on and if WebCore doesn't want to handle
-@@ -2790,6 +2803,9 @@ - (RenderWidgetHostViewMac*)renderWidgetHostViewMac {
+@@ -2808,6 +2821,9 @@ - (RenderWidgetHostViewMac*)renderWidgetHostViewMac {
  // move) for the given event. Customize here to be more selective about which
  // key presses to autohide on.
  + (BOOL)shouldAutohideCursorForEvent:(NSEvent*)event {

 // These are not documented, so use only after checking -respondsToSelector:.
 @interface NSApplication (UndocumentedSpeechMethods)
 - (void)speakString:(NSString*)string;
@@ -464,7 +470,9 @@ float FlipYFromRectToScreen(float y, float rect_height) {
   background_layer_.reset([[CALayer alloc] init]);
   // Set the default color to be white. This is the wrong thing to do, but many
   // UI components expect this view to be opaque.

         nil]);
   }
   return validAttributesForMarkedText_.get();
@@ -3485,6 +3505,10 @@ - (BOOL)readSelectionFromPasteboard:(NSPasteboard*)pboard {
 }
 
 - (BOOL)isOpaque {
