[cc] Remove all WTF #includes from CCLayerTreeHost

cc/LayerTextureUpdater.h

Index: cc/LayerTextureUpdater.h
diff --git a/cc/LayerTextureUpdater.h b/cc/LayerTextureUpdater.h
index 0426bc42655d5f1bf7e7e1e8239ffb2a80c86f86..89fc520475a64d1261bc27a0c7916b1745b55b05 100644
--- a/cc/LayerTextureUpdater.h
+++ b/cc/LayerTextureUpdater.h
@@ -27,15 +27,15 @@ public:
         virtual ~Texture();
 
         CCPrioritizedTexture* texture() { return m_texture.get(); }
-        void swapTextureWith(OwnPtr<CCPrioritizedTexture>& texture) { m_texture.swap(texture); }
+        void swapTextureWith(scoped_ptr<CCPrioritizedTexture>& texture) { m_texture.swap(texture); }
         virtual void prepareRect(const IntRect& /* sourceRect */, CCRenderingStats&) { }
         virtual void updateRect(CCResourceProvider*, const IntRect& sourceRect, const IntSize& destOffset) = 0;
         virtual bool backingResourceWasEvicted() const;
     protected:
-        explicit Texture(PassOwnPtr<CCPrioritizedTexture> texture);
+        explicit Texture(scoped_ptr<CCPrioritizedTexture> texture);
 
     private:
-        OwnPtr<CCPrioritizedTexture> m_texture;
+        scoped_ptr<CCPrioritizedTexture> m_texture;
     };
 
     LayerTextureUpdater()