Fix a few issues with touch-events and views-desktop.

views/desktop/desktop_window_root_view.h

 // Copyright (c) 2011 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 VIEWS_DESKTOP_DESKTOP_WINDOW_ROOT_VIEW_H_
 #define VIEWS_DESKTOP_DESKTOP_WINDOW_ROOT_VIEW_H_
 
 #include "views/widget/root_view.h"
 
 namespace views {
 namespace desktop {
 
 class DesktopWindowView;
 
 class DesktopWindowRootView : public internal::RootView {
  public:
   DesktopWindowRootView(DesktopWindowView* desktop_window_view, Widget* window);
   virtual ~DesktopWindowRootView();
 
  private:
   // Overridden from RootView:
   virtual bool OnMousePressed(const MouseEvent& event) OVERRIDE;
+  virtual ui::TouchStatus OnTouchEvent(const TouchEvent& event) OVERRIDE;
+
+  // Activates the widget at the specified location and deactivates the
+  // currently selected widget.
+  void ActivateWidgetAtLocation(const gfx::Point& point);
 
   DesktopWindowView* desktop_window_view_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopWindowRootView);
 };
 
 }  // namespace desktop
 }  // namespace views
 
 #endif  // VIEWS_DESKTOP_DESKTOP_WINDOW_ROOT_VIEW_H_