Add a separate call to initialize the bounds for a sky <iframe> element.

sky/engine/public/web/WebFrameClient.h

 /*
  * Copyright (C) 2011, 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 50 matching lines @@
 class WebFrameClient {
 public:
     // General notifications -----------------------------------------------
 
     // A child frame was created in this frame. This is called when the frame
     // is created and initialized. Takes the name of the new frame, the parent
     // frame and returns a new WebFrame. The WebFrame is considered in-use
     // until frameDetached() is called on it.
     // Note: If you override this, you should almost certainly be overriding
     // frameDetached().
-    virtual WebFrame* createChildFrame(WebLocalFrame* parent, const WebString& frameName) { return 0; }
+    virtual uint32_t createChildFrame(const WebURL& url) { return static_cast<uint32_t>(-1); }
 
-    virtual void createChildView(const WebURL& url) { }
+    // Initalize parameters for the given child frame.
+    virtual void initializeChildFrame(uint32_t frame_id, const blink::WebRect& bounds) { }
 
     // This frame has been detached from the view, but has not been closed yet.
+    // TODO(mpcomplete): reuse these.
     virtual void frameDetached(WebFrame*) { }
 
     // This frame has become focused..
     virtual void frameFocused() { }
 
     // This frame is about to be closed. This is called after frameDetached,
     // when the document is being unloaded, due to new one committing.
     virtual void willClose(WebFrame*) { }
 
     // FIXME(sky): remove.
@@ skipping 149 matching lines @@
 
     // Notifies the client that a WebGL context was lost on this page with the
     // given reason (one of the GL_ARB_robustness status codes; see
     // Extensions3D.h in WebCore/platform/graphics).
     virtual void didLoseWebGLContext(WebLocalFrame*, int) { }
 
     // FIXME: Remove this method once we have input routing in the browser
     // process. See http://crbug.com/339659.
     virtual void forwardInputEvent(const WebInputEvent*) { }
 
-    // Send initial drawing parameters to a child frame that is being rendered out of process.
-    virtual void initializeChildFrame(const WebRect& frameRect, float scaleFactor) { }
-
 protected:
     virtual ~WebFrameClient() { }
 };
 
 } // namespace blink
 
 #endif