[Ozone-GBM] Pumb DriWindowDelegate throughout the platform

ui/ozone/platform/dri/gpu_platform_support_gbm.h

 // Copyright 2014 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_OZONE_PLATFORM_DRI_GPU_PLATFORM_SUPPORT_GBM_H_
 #define UI_OZONE_PLATFORM_DRI_GPU_PLATFORM_SUPPORT_GBM_H_
 
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 32 matching lines @@
  private:
   void OnCreateWindowDelegate(gfx::AcceleratedWidget widget);
   void OnDestroyWindowDelegate(gfx::AcceleratedWidget widget);
   void OnWindowBoundsChanged(gfx::AcceleratedWidget widget,
                              const gfx::Rect& bounds);
   void OnCursorSet(gfx::AcceleratedWidget widget,
                    const SkBitmap& bitmap,
                    const gfx::Point& location);
   void OnCursorMove(gfx::AcceleratedWidget widget, const gfx::Point& location);
 
-  typedef base::ScopedPtrHashMap<gfx::AcceleratedWidget, DriWindowDelegate>
-      WidgetToWindowDelegateMap;
-
   IPC::Sender* sender_;
   DriSurfaceFactory* dri_;
   DriWindowManager* window_manager_;
   ScreenManager* screen_manager_;
   ScopedVector<GpuPlatformSupport> handlers_;
-  WidgetToWindowDelegateMap window_delegate_owner_;
 };
 
 }  // namespace ui
 
 #endif  // UI_OZONE_PLATFORM_DRI_GPU_PLATFORM_SUPPORT_GBM_H_