Make clicks work on views_examples with touchui.

views/controls/native_control_gtk.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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_CONTROLS_NATIVE_CONTROL_GTK_H_
 #define VIEWS_CONTROLS_NATIVE_CONTROL_GTK_H_
 #pragma once
 
 #include <gtk/gtk.h>
 
 #include "views/controls/native/native_view_host.h"
 
 namespace views {
 
 // A View that hosts a native control.
 class NativeControlGtk : public NativeViewHost {
  public:
   NativeControlGtk();
   virtual ~NativeControlGtk();
 
   // Overridden from View:
   virtual void SetEnabled(bool enabled);
 
  protected:
   virtual void ViewHierarchyChanged(bool is_add, View *parent, View *child);
   virtual void VisibilityChanged(View* starting_from, bool is_visible);
   virtual void OnFocus();
+#if defined(TOUCH_UI)
+  virtual bool OnMousePressed(const MouseEvent& event);
+  virtual void OnMouseReleased(const MouseEvent& event);
+  virtual void OnMouseMoved(const MouseEvent& event);
+  virtual void OnMouseExited(const MouseEvent& event);
+  virtual void OnMouseEntered(const MouseEvent& event);
+
+  // Fake a mouse event.
+  void FakeNativeMouseEvent(const MouseEvent& event);
+#endif
 
   // Called when the NativeControlGtk is attached to a View hierarchy with a
   // valid Widget. The NativeControlGtk should use this opportunity to create
   // its associated GtkWidget.
   virtual void CreateNativeControl() = 0;
 
   // MUST be called by the subclass implementation of |CreateNativeControl|
   // immediately after creating the control GtkWidget, otherwise it won't be
   // attached to the GtkView and will be effectively orphaned.
   virtual void NativeControlCreated(GtkWidget* widget);
 
  private:
   static gboolean CallFocusIn(GtkWidget* widget,
                               GdkEventFocus* event,
                               NativeControlGtk* button);
 
   DISALLOW_COPY_AND_ASSIGN(NativeControlGtk);
 };
 
 }  // namespace views
 
 #endif  // #ifndef VIEWS_CONTROLS_NATIVE_CONTROL_GTK_H_