Change ScopedPtrHashMap's 2nd template parameter

cc/test/test_web_graphics_context_3d.h

 // Copyright 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 CC_TEST_TEST_WEB_GRAPHICS_CONTEXT_3D_H_
 #define CC_TEST_TEST_WEB_GRAPHICS_CONTEXT_3D_H_
 
 #include <vector>
 
 #include "base/callback.h"
@@ skipping 407 matching lines @@
 
   struct Namespace : public base::RefCountedThreadSafe<Namespace> {
     Namespace();
 
     // Protects all fields.
     base::Lock lock;
     unsigned next_buffer_id;
     unsigned next_image_id;
     unsigned next_texture_id;
     unsigned next_renderbuffer_id;
-    base::ScopedPtrHashMap<unsigned, Buffer> buffers;
+    base::ScopedPtrHashMap<unsigned, scoped_ptr<Buffer>> buffers;
     base::hash_set<unsigned> images;
     OrderedTextureMap textures;
     base::hash_set<unsigned> renderbuffer_set;
 
    private:
     friend class base::RefCountedThreadSafe<Namespace>;
     ~Namespace();
     DISALLOW_COPY_AND_ASSIGN(Namespace);
   };
 
@@ skipping 40 matching lines @@
 
   scoped_refptr<Namespace> namespace_;
   static Namespace* shared_namespace_;
 
   base::WeakPtrFactory<TestWebGraphicsContext3D> weak_ptr_factory_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_TEST_WEB_GRAPHICS_CONTEXT_3D_H_