Get mouse events to work with win aura, and make the combobox function in the views examples app.

ui/views/widget/desktop_root_window_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_VIEWS_WIDGET_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 #define UI_VIEWS_WIDGET_DESKTOP_ROOT_WINDOW_HOST_WIN_H_
 
 #include "ui/aura/root_window_host.h"
 #include "ui/views/widget/desktop_root_window_host.h"
 #include "ui/views/win/hwnd_message_handler_delegate.h"
 
+namespace aura {
+class DesktopActivationClient;
+class DesktopDispatcherClient;
+class FocusManager;
+}
+
 namespace views {
+class DesktopCaptureClient;
 class HWNDMessageHandler;
 
 class DesktopRootWindowHostWin : public DesktopRootWindowHost,
                                  public aura::RootWindowHost,
                                  public HWNDMessageHandlerDelegate {
  public:
   DesktopRootWindowHostWin(
       internal::NativeWidgetDelegate* native_widget_delegate,
       const gfx::Rect& initial_bounds);
   virtual ~DesktopRootWindowHostWin();
 
  private:
   // Overridden from DesktopRootWindowHost:
   virtual void Init(aura::Window* content_window,
                     const Widget::InitParams& params) OVERRIDE;
+  virtual void Close() OVERRIDE;
+  virtual void CloseNow() OVERRIDE;
+  virtual aura::RootWindowHost* AsRootWindowHost() OVERRIDE;
   virtual void ShowWindowWithState(ui::WindowShowState show_state) OVERRIDE;
+  virtual bool IsVisible() const OVERRIDE;
+  virtual gfx::Rect GetClientAreaBoundsInScreen() const OVERRIDE;
 
   // Overridden from aura::RootWindowHost:
   virtual aura::RootWindow* GetRootWindow() OVERRIDE;
   virtual gfx::AcceleratedWidget GetAcceleratedWidget() OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;
   virtual void ToggleFullScreen() OVERRIDE;
   virtual gfx::Rect GetBounds() const OVERRIDE;
   virtual void SetBounds(const gfx::Rect& bounds) OVERRIDE;
   virtual gfx::Point GetLocationOnNativeScreen() const OVERRIDE;
@@ skipping 81 matching lines @@
   virtual bool PreHandleMSG(UINT message,
                             WPARAM w_param,
                             LPARAM l_param,
                             LRESULT* result) OVERRIDE;
   virtual void PostHandleMSG(UINT message,
                              WPARAM w_param,
                              LPARAM l_param) OVERRIDE;
 
   scoped_ptr<aura::RootWindow> root_window_;
   scoped_ptr<HWNDMessageHandler> message_handler_;
+  scoped_ptr<DesktopCaptureClient> capture_client_;
+  scoped_ptr<aura::DesktopActivationClient> activation_client_;
+  scoped_ptr<aura::DesktopDispatcherClient> dispatcher_client_;
+  scoped_ptr<aura::FocusManager> focus_manager_;
 
   // TODO(beng): Consider providing an interface to DesktopNativeWidgetAura
   //             instead of providing this route back to Widget.
   internal::NativeWidgetDelegate* native_widget_delegate_;
 
   aura::RootWindowHostDelegate* root_window_host_delegate_;
   aura::Window* content_window_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopRootWindowHostWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_DESKTOP_ROOT_WINDOW_HOST_WIN_H_