FrameView now notifies ScrollCoorinator of changes in its scrollable area set

Source/core/page/Page.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 35 matching lines @@
 class ContextMenuClient;
 class ContextMenuController;
 class Document;
 class DragCaretController;
 class DragClient;
 class DragController;
 class EditorClient;
 class FocusController;
 class Frame;
 class FrameHost;
+class GraphicsLayer;

[Rick Byers, 2015/01/12 22:36:27]

nit: you don't need this here anymore, right?

[majidvp, 2015/01/13 16:01:56]

Done.

 class InspectorClient;
 class InspectorController;
 class PageLifecycleNotifier;
 class PluginData;
 class PointerLockController;
 class StorageClient;
 class ScrollingCoordinator;
 class Settings;
 class SpellCheckerClient;
 class StorageNamespace;
@@ skipping 213 matching lines @@
     WillBeHeapHashSet<RawPtrWillBeWeakMember<MultisamplingChangedObserver>> m_multisamplingChangedObservers;
 
     // A pointer to all the interfaces provided to in-process Frames for this Page.
     // FIXME: Most of the members of Page should move onto FrameHost.
     OwnPtrWillBeMember<FrameHost> m_frameHost;
 };
 
 } // namespace blink
 
 #endif // Page_h