Cleanup: remove GTK stuff

ui/views/widget/widget.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_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 #pragma once
 
 #include <set>
 #include <stack>
@@ skipping 238 matching lines @@
   // Returns the preferred size of the contents view of this window based on
   // its localized size data. The width in cols is held in a localized string
   // resource identified by |col_resource_id|, the height in the same fashion.
   // TODO(beng): This should eventually live somewhere else, probably closer to
   //             ClientView.
   static int GetLocalizedContentsWidth(int col_resource_id);
   static int GetLocalizedContentsHeight(int row_resource_id);
   static gfx::Size GetLocalizedContentsSize(int col_resource_id,
                                             int row_resource_id);
 
-  // Enable/Disable debug paint.
-  static void SetDebugPaintEnabled(bool enabled);
-  static bool IsDebugPaintEnabled();
-
   // Returns true if the specified type requires a NonClientView.
   static bool RequiresNonClientView(InitParams::Type type);
 
   void Init(const InitParams& params);
 
   // Returns the gfx::NativeView associated with this Widget.
   gfx::NativeView GetNativeView() const;
 
   // Returns the gfx::NativeWindow associated with this Widget. This may return
   // NULL on some platforms if the widget was created with a type other than
@@ skipping 508 matching lines @@
   // duplicate move events even though the mouse hasn't moved.
   bool last_mouse_event_was_move_;
   gfx::Point last_mouse_event_position_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_