Use base::ScopedTypeRef for CGL types

content/browser/renderer_host/compositing_iosurface_context_mac.h

 // Copyright (c) 2013 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 CONTENT_BROWSER_RENDERER_HOST_COMPOSITING_IOSURFACE_CONTEXT_MAC_H_
 #define CONTENT_BROWSER_RENDERER_HOST_COMPOSITING_IOSURFACE_CONTEXT_MAC_H_
 
 #import <AppKit/NSOpenGL.h>
 #include <OpenGL/OpenGL.h>
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/lazy_instance.h"
 #include "base/mac/scoped_nsobject.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "content/browser/renderer_host/display_link_mac.h"
+#include "ui/gl/scoped_cgl.h"
 
 namespace content {
 
 enum CoreAnimationStatus {
   CORE_ANIMATION_DISABLED,
   CORE_ANIMATION_ENABLED,
 };
 CoreAnimationStatus GetCoreAnimationStatus();
 
 class CompositingIOSurfaceShaderPrograms;
@@ skipping 25 matching lines @@
   bool IsVendorIntel();
 
   DisplayLinkMac* display_link() { return display_link_; }
 
  private:
   friend class base::RefCounted<CompositingIOSurfaceContext>;
 
   CompositingIOSurfaceContext(
       int window_number,
       NSOpenGLContext* nsgl_context,
-      CGLContextObj clg_context_strong,
+      base::ScopedTypeRef<CGLContextObj> clg_context_strong,
       CGLContextObj clg_context,
       bool is_vsync_disabled_,
       scoped_refptr<DisplayLinkMac> display_link,
       scoped_ptr<CompositingIOSurfaceShaderPrograms> shader_program_cache);
   ~CompositingIOSurfaceContext();
 
   int window_number_;
   base::scoped_nsobject<NSOpenGLContext> nsgl_context_;
-  CGLContextObj cgl_context_strong_;
+  base::ScopedTypeRef<CGLContextObj> cgl_context_strong_;
   // Weak, backed by |nsgl_context_| or |cgl_context_strong_|.
   CGLContextObj cgl_context_;
 
   bool is_vsync_disabled_;
   scoped_ptr<CompositingIOSurfaceShaderPrograms> shader_program_cache_;
   bool can_be_shared_;
 
   bool initialized_is_intel_;
   bool is_intel_;
   GLint screen_;
 
   // Display link for getting vsync info.
   scoped_refptr<DisplayLinkMac> display_link_;
 
   // The global map from window number and window ordering to
   // context data.
   typedef std::map<int, CompositingIOSurfaceContext*> WindowMap;
   static base::LazyInstance<WindowMap> window_map_;
   static WindowMap* window_map();
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_COMPOSITING_IOSURFACE_CONTEXT_MAC_H_