Make the embedder responsible for creating the WebFrame

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 89 matching lines @@
 
 
     // General notifications -----------------------------------------------
 
     // Indicates that another page has accessed the DOM of the initial empty
     // document of a main frame. After this, it is no longer safe to show a
     // pending navigation's URL, because a URL spoof is possible.
     virtual void didAccessInitialDocument(WebFrame*) { }
 
     // A child frame was created in this frame. This is called when the frame
-    // is created and initialized.
-    virtual void didCreateFrame(WebFrame* parent, WebFrame* child) { }
+    // is created and initialized. Takes the name of the new frame.
+    virtual WebFrame* didCreateFrame(WebString) { return 0; }

[darin (slow to review), 2013/09/05 06:07:53]

note: it may seem as though blink / webkit coding style is to leave all
parameters unnamed, but actually you should give this one a name. the style rule
is to leave parameters unnamed when the best name for the parameter is the type
name. in this case, the name of the parameter is probably "name" or "frameName".

 
     // This frame set its opener to null, disowning it.
     // See http://html.spec.whatwg.org/#dom-opener.
     virtual void didDisownOpener(WebFrame*) { }
 
     // This frame has been detached from the view, but has not been closed yet.
     virtual void frameDetached(WebFrame*) { }
 
     // This frame is about to be closed. This is called after frameDetached,
     // when the document is being unloaded, due to new one committing.
@@ skipping 239 matching lines @@
     // Extensions3D.h in WebCore/platform/graphics).
     virtual void didLoseWebGLContext(WebFrame*, int) { }
 
 protected:
     ~WebFrameClient() { }
 };
 
 } // namespace WebKit
 
 #endif