Add autoresize capability for Chromium.

Source/WebKit/chromium/public/WebViewClient.h

 /*
  * Copyright (C) 2009 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 230 matching lines @@
     // Take focus away from the WebView by focusing an adjacent UI element
     // in the containing window.
     virtual void focusNext() { }
     virtual void focusPrevious() { }
 
     // Called when a new node gets focused.
     virtual void focusedNodeChanged(const WebNode&) { }
 
     virtual void numberOfWheelEventHandlersChanged(unsigned) { }
 
+    // Call when the size of the view automatically changed.

[levin, 2011/11/30 12:03:47]

Should be "called".

+    virtual void autoSizeChanged(const WebSize&) { }

[darin (slow to review), 2011/11/30 23:29:05]

Why do we need this?  Isn't WebWidgetClient::setSize sufficient to convey the
same information?

[levin, 2011/12/01 20:23:45]

You're right. It was old cruft laying around (part of what I meant by
unpolished). Sorry about that.

+
     // Indicates two things:
     //   1) This view may have a new layout now.
     //   2) Calling layout() is a no-op.
     // After calling WebWidget::layout(), expect to get this notification
     // unless the view did not need a layout.
     virtual void didUpdateLayout() { }
 
     // Session history -----------------------------------------------------
 
     // Tells the embedder to navigate back or forward in session history by
@@ skipping 71 matching lines @@
 
     virtual WebUserMediaClient* userMediaClient() { return 0; }
 
 protected:
     ~WebViewClient() { }
 };
 
 } // namespace WebKit
 
 #endif