cc:: Add remote mode to the compositor

cc/test/test_hooks.h

Index: cc/test/test_hooks.h
diff --git a/cc/test/test_hooks.h b/cc/test/test_hooks.h
index fd45cbcd09f1b82bfe04b6a7d9e9070dd3ee61c3..4b4004a2a7b21923d19d24cb91ba9bdd77e4c158 100644
--- a/cc/test/test_hooks.h
+++ b/cc/test/test_hooks.h
@@ -123,6 +123,10 @@ class TestHooks : public AnimationDelegate {
   virtual void ReceivedPostFrameTimingEventsOnMain() {}
   virtual void ReceivedBeginMainFrame() {}
 
+  // Hooks for RemoteChannelHostClient
+  virtual void OverrideLayerTreeSettings(LayerTreeSettings* settings) {}
+  virtual void ReceivedDidShutdown() {}
+
   // Implementation of AnimationDelegate:
   void NotifyAnimationStarted(base::TimeTicks monotonic_time,
                               Animation::TargetProperty target_property,
@@ -132,6 +136,7 @@ class TestHooks : public AnimationDelegate {
                                int group) override {}
 
   virtual void RequestNewOutputSurface() = 0;
+  virtual void DidShutdown() = 0;
 };
 
 }  // namespace cc