Fix the Views GTK build.

views/widget/widget.h

 // Copyright (c) 2006-2008 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_WIDGET_WIDGET_H_
 #define VIEWS_WIDGET_WIDGET_H_
 
 #include "base/gfx/native_widget_types.h"
 
 class ThemeProvider;
 
 namespace gfx {
 class Path;
+class Point;
 class Rect;
 }
 
 namespace views {
 
 class Accelerator;
 class FocusManager;
 class RootView;
 class TooltipManager;
 class View;
@@ skipping 97 matching lines @@
   virtual ThemeProvider* GetDefaultThemeProvider() { return NULL; }
 
   // Returns the FocusManager for this widget.
   // Note that all widgets in a widget hierarchy share the same focus manager.
   virtual FocusManager* GetFocusManager() { return NULL; }
 };
 
 }  // namespace views
 
 #endif // VIEWS_WIDGET_WIDGET_H_