Fork cc::OutputSurface into cc::CompositorFrameSink.

cc/test/stub_layer_tree_host_client.h

Index: cc/test/stub_layer_tree_host_client.h
diff --git a/cc/test/stub_layer_tree_host_client.h b/cc/test/stub_layer_tree_host_client.h
index ed6bd4b4a0c8664c0199d29a05ff9f395e698e63..068377ed5842fa6bc621b3512b402960a471677a 100644
--- a/cc/test/stub_layer_tree_host_client.h
+++ b/cc/test/stub_layer_tree_host_client.h
@@ -24,9 +24,9 @@ class StubLayerTreeHostClient : public LayerTreeHostClient {
                            const gfx::Vector2dF& elastic_overscroll_delta,
                            float page_scale,
                            float top_controls_delta) override {}
-  void RequestNewOutputSurface() override {}
-  void DidInitializeOutputSurface() override {}
-  void DidFailToInitializeOutputSurface() override {}
+  void RequestNewCompositorFrameSink() override {}
+  void DidInitializeCompositorFrameSink() override {}
+  void DidFailToInitializeCompositorFrameSink() override {}
   void WillCommit() override {}
   void DidCommit() override {}
   void DidCommitAndDrawFrame() override {}