[cc] Remove all WTF #includes from CCLayerTreeHost

cc/BitmapCanvasLayerTextureUpdater.h

Index: cc/BitmapCanvasLayerTextureUpdater.h
diff --git a/cc/BitmapCanvasLayerTextureUpdater.h b/cc/BitmapCanvasLayerTextureUpdater.h
index c6fb9e1ae4e31152081bf2a1faa6318d80c94489..8cf4e2539b5ec1ba64c51ccd87f0edc960cd83f5 100644
--- a/cc/BitmapCanvasLayerTextureUpdater.h
+++ b/cc/BitmapCanvasLayerTextureUpdater.h
@@ -23,7 +23,7 @@ class BitmapCanvasLayerTextureUpdater : public CanvasLayerTextureUpdater {
 public:
     class Texture : public LayerTextureUpdater::Texture {
     public:
-        Texture(BitmapCanvasLayerTextureUpdater*, PassOwnPtr<CCPrioritizedTexture>);
+        Texture(BitmapCanvasLayerTextureUpdater*, scoped_ptr<CCPrioritizedTexture>);
         virtual ~Texture();
 
         virtual void updateRect(CCResourceProvider*, const IntRect& sourceRect, const IntSize& destOffset) OVERRIDE;