Remove mouse events from Sky

sky/engine/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 30 matching lines @@
 class Chrome;
 class ChromeClient;
 class ClientRectList;
 class Document;
 class DragCaretController;
 class EditorClient;
 class FocusController;
 class Frame;
 class FrameHost;
 class PageLifecycleNotifier;
-class PlatformMouseEvent;
 class Range;
 class RenderBox;
 class RenderObject;
 class ScrollableArea;
 class ServiceProvider;
 class Settings;
 class SpellCheckerClient;
 class UndoStack;
 class VisibleSelection;
 
@@ skipping 127 matching lines @@
     HashSet<RawPtr<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.
     OwnPtr<FrameHost> m_frameHost;
 };
 
 } // namespace blink
 
 #endif  // SKY_ENGINE_CORE_PAGE_PAGE_H_