Plumbing for frame-specific WebWidgets

Source/web/WebPagePopupImpl.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 144 matching lines @@
     virtual void needTouchEvents(bool needsTouchEvents) override
     {
         m_popup->widgetClient()->hasTouchEventHandlers(needsTouchEvents);
     }
 
     virtual GraphicsLayerFactory* graphicsLayerFactory() const override
     {
         return m_popup->m_webView->graphicsLayerFactory();
     }
 
-    virtual void attachRootGraphicsLayer(GraphicsLayer* graphicsLayer) override
+    virtual void attachRootGraphicsLayer(GraphicsLayer* graphicsLayer, LocalFrame* localRoot) override
     {
         m_popup->setRootGraphicsLayer(graphicsLayer);
     }
 
     virtual void postAccessibilityNotification(AXObject* obj, AXObjectCache::AXNotification notification) override
     {
         WebLocalFrameImpl* frame = WebLocalFrameImpl::fromFrame(m_popup->m_popupClient->ownerElement().document().frame());
         if (obj && frame && frame->client())
             frame->client()->postAccessibilityEvent(WebAXObject(obj), static_cast<WebAXEvent>(notification));
 
@@ skipping 294 matching lines @@
     // A WebPagePopupImpl instance usually has two references.
     //  - One owned by the instance itself. It represents the visible widget.
     //  - One owned by a WebViewImpl. It's released when the WebViewImpl ask the
     //    WebPagePopupImpl to close.
     // We need them because the closing operation is asynchronous and the widget
     // can be closed while the WebViewImpl is unaware of it.
     return adoptRef(new WebPagePopupImpl(client)).leakRef();
 }
 
 } // namespace blink