[cc] Store CCLayerImpls as scoped_ptrs

cc/CCTextureLayerImpl.h

 // Copyright 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 CCTextureLayerImpl_h
 #define CCTextureLayerImpl_h
 
 #include "CCLayerImpl.h"
 
 namespace cc {
 
 class CCTextureLayerImpl : public CCLayerImpl {
 public:
-    static PassOwnPtr<CCTextureLayerImpl> create(int id)
+    static scoped_ptr<CCTextureLayerImpl> create(int id)
     {
-        return adoptPtr(new CCTextureLayerImpl(id));
+        return make_scoped_ptr(new CCTextureLayerImpl(id));
     }
     virtual ~CCTextureLayerImpl();
 
     virtual void willDraw(CCResourceProvider*) OVERRIDE;
     virtual void appendQuads(CCQuadSink&, CCAppendQuadsData&) OVERRIDE;
     virtual void didDraw(CCResourceProvider*) OVERRIDE;
 
     virtual void didLoseContext() OVERRIDE;
 
     virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
@@ skipping 12 matching lines @@
     unsigned m_textureId;
     CCResourceProvider::ResourceId m_externalTextureResource;
     bool m_premultipliedAlpha;
     bool m_flipped;
     FloatRect m_uvRect;
 };
 
 }
 
 #endif // CCTextureLayerImpl_h