Use ScopedMakeCurrent

ui/gfx/compositor/compositor_cc.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 UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
 #define UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_
 #pragma once
 
 #include "base/compiler_specific.h"
 #include "base/memory/singleton.h"
@@ skipping 12 matching lines @@
 class GLShareGroup;
 }
 
 namespace ui {
 
 class COMPOSITOR_EXPORT SharedResourcesCC
     : NON_EXPORTED_BASE(public SharedResources) {
  public:
   static SharedResourcesCC* GetInstance();
 
-  virtual bool MakeSharedContextCurrent();
+  virtual gfx::ScopedMakeCurrent* GetScopedMakeCurrent() OVERRIDE;
+
   virtual void* GetDisplay();
 
   gfx::GLShareGroup* GetShareGroup();
 
  private:
   friend struct DefaultSingletonTraits<SharedResourcesCC>;
 
   SharedResourcesCC();
   virtual ~SharedResourcesCC();
 
@@ skipping 71 matching lines @@
   gfx::AcceleratedWidget widget_;
   WebKit::WebLayer root_web_layer_;
   WebKit::WebLayerTreeView host_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorCC);
 };
 
 }  // namespace ui
 
 #endif  // UI_GFX_COMPOSITOR_COMPOSITOR_CC_H_