Activate LayerImpl tree with sync+push instead of pointer swap

cc/texture_layer_impl.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 CC_TEXTURE_LAYER_IMPL_H_
 #define CC_TEXTURE_LAYER_IMPL_H_
 
 #include <string>
 
 #include "base/callback.h"
 #include "cc/cc_export.h"
 #include "cc/layer_impl.h"
 
 namespace cc {
 
 class CC_EXPORT TextureLayerImpl : public LayerImpl {
 public:
     static scoped_ptr<TextureLayerImpl> create(LayerTreeImpl* treeImpl, int id, bool usesMailbox)
     {
         return make_scoped_ptr(new TextureLayerImpl(treeImpl, id, usesMailbox));
     }
     virtual ~TextureLayerImpl();
 
+    virtual scoped_ptr<LayerImpl> createLayerImpl(LayerTreeImpl*) OVERRIDE;
+    virtual void pushPropertiesTo(LayerImpl*) OVERRIDE;
+
     virtual void willDraw(ResourceProvider*) OVERRIDE;
     virtual void appendQuads(QuadSink&, AppendQuadsData&) OVERRIDE;
     virtual void didDraw(ResourceProvider*) OVERRIDE;
 
     virtual void didLoseOutputSurface() OVERRIDE;
 
     virtual void dumpLayerProperties(std::string*, int indent) const OVERRIDE;
 
     unsigned textureId() const { return m_textureId; }
     void setTextureId(unsigned id) { m_textureId = id; }
@@ skipping 23 matching lines @@
 
     bool m_hasPendingMailbox;
     std::string m_pendingMailboxName;
     base::Callback<void(unsigned)> m_pendingMailboxReleaseCallback;
     bool m_usesMailbox;
 };
 
 }
 
 #endif  // CC_TEXTURE_LAYER_IMPL_H_