[cc] Remove all WTF #includes from CCLayerTreeHost

cc/test/CCTiledLayerTestCommon.h

Index: cc/test/CCTiledLayerTestCommon.h
diff --git a/cc/test/CCTiledLayerTestCommon.h b/cc/test/CCTiledLayerTestCommon.h
index a3547eeb0f8c30d7aca92666ef325a2cded06468..f2ffbf8be497f839d24ad57fa93105f16188b7b1 100644
--- a/cc/test/CCTiledLayerTestCommon.h
+++ b/cc/test/CCTiledLayerTestCommon.h
@@ -26,7 +26,7 @@ class FakeLayerTextureUpdater : public cc::LayerTextureUpdater {
 public:
     class Texture : public cc::LayerTextureUpdater::Texture {
     public:
-        Texture(FakeLayerTextureUpdater*, PassOwnPtr<cc::CCPrioritizedTexture>);
+        Texture(FakeLayerTextureUpdater*, scoped_ptr<cc::CCPrioritizedTexture>);
         virtual ~Texture();
 
         virtual void updateRect(cc::CCResourceProvider* , const cc::IntRect&, const cc::IntSize&) OVERRIDE;