cc: Stop pushing properties every activation for picture layers.

cc/test/fake_picture_layer_tiling_client.h

Index: cc/test/fake_picture_layer_tiling_client.h
diff --git a/cc/test/fake_picture_layer_tiling_client.h b/cc/test/fake_picture_layer_tiling_client.h
index e217a78487d59b18c609f8c9d56396678084d5a0..a3a438c1badfef02cbffdbc1954efb43c6c76c6b 100644
--- a/cc/test/fake_picture_layer_tiling_client.h
+++ b/cc/test/fake_picture_layer_tiling_client.h
@@ -36,6 +36,7 @@ class FakePictureLayerTilingClient : public PictureLayerTilingClient {
       const PictureLayerTiling* tiling) override;
   bool RequiresHighResToDraw() const override;
   WhichTree GetTree() const override;
+  void TilingSetChanged() override {}
 
   void set_twin_tiling_set(PictureLayerTilingSet* set) {
     twin_set_ = set;