wip: Second crack at implementing the touch exploration mode.

ui/aura/window_tree_host_win.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_AURA_WINDOW_TREE_HOST_WIN_H_
 #define UI_AURA_WINDOW_TREE_HOST_WIN_H_
 
 #include "base/compiler_specific.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/events/event_source.h"
 #include "ui/gfx/win/window_impl.h"
 
 namespace aura {
 
 class AURA_EXPORT WindowTreeHostWin : public WindowTreeHost,
                                       public ui::EventSource,
                                       public gfx::WindowImpl {
  public:
   explicit WindowTreeHostWin(const gfx::Rect& bounds);
   virtual ~WindowTreeHostWin();
   // WindowTreeHost:
+  virtual ui::EventSource* GetEventSource() OVERRIDE;
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual gfx::Rect GetBounds() const OVERRIDE;
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
   virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
   virtual void SetCapture() OVERRIDE;
   virtual void ReleaseCapture() OVERRIDE;
   virtual bool QueryMouseLocation(gfx::Point* location_return) OVERRIDE;
   virtual void SetCursorNative(gfx::NativeCursor cursor) OVERRIDE;
@@ skipping 51 matching lines @@
 // Set true to let WindowTreeHostWin use a popup window
 // with no frame/title so that the window size and test's
 // expectations matches.
 AURA_EXPORT void SetUsePopupAsRootWindowForTest(bool use);
 
 }  // namespace
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_TREE_HOST_WIN_H_