[cc] Store CCLayerImpls as scoped_ptrs

webkit/compositor_bindings/WebIOSurfaceLayerImpl.cpp

 // 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.
 
 #include "config.h"
 #include "WebIOSurfaceLayerImpl.h"
 
 #include "IOSurfaceLayerChromium.h"
 #include "WebLayerImpl.h"
 #include "webcore_convert.h"
+#include <wtf/PassOwnPtr.h>
 
 using cc::IOSurfaceLayerChromium;
 
 namespace WebKit {
 
 WebIOSurfaceLayer* WebIOSurfaceLayer::create()
 {
     return new WebIOSurfaceLayerImpl();
 }
 
@@ skipping 11 matching lines @@
 {
     static_cast<IOSurfaceLayerChromium*>(m_layer->layer())->setIOSurfaceProperties(ioSurfaceId, convert(size));
 }
 
 WebLayer* WebIOSurfaceLayerImpl::layer()
 {
     return m_layer.get();
 }
 
 } // namespace WebKit