Plumb changes to the focused frame to WebFramelient.

Source/core/page/FocusController.cpp

 /*
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nuanti Ltd.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 238 matching lines @@
         oldFrame->selection().setFocused(false);
         oldFrame->domWindow()->dispatchEvent(Event::create(EventTypeNames::blur));
     }
 
     if (newFrame && newFrame->view() && isFocused()) {
         newFrame->selection().setFocused(true);
         newFrame->domWindow()->dispatchEvent(Event::create(EventTypeNames::focus));
     }
 
     m_isChangingFocusedFrame = false;
+
+    m_page->chrome().client().focusedFrameChanged(newFrame.get());
 }
 
 LocalFrame* FocusController::focusedOrMainFrame() const
 {
     if (LocalFrame* frame = focusedFrame())
         return frame;
     return m_page->mainFrame();
 }
 
 void FocusController::setFocused(bool focused)
@@ skipping 633 matching lines @@
         startingRect = nodeRectInAbsoluteCoordinates(container, true /* ignore border */);
         container = scrollableEnclosingBoxOrParentFrameForNodeInDirection(type, container);
         if (container && container->isDocumentNode())
             toDocument(container)->updateLayoutIgnorePendingStylesheets();
     } while (!consumed && container);
 
     return consumed;
 }
 
 } // namespace WebCore