Added a debug info UI for Blimp

cc/trees/remote_channel_impl.cc

Index: cc/trees/remote_channel_impl.cc
diff --git a/cc/trees/remote_channel_impl.cc b/cc/trees/remote_channel_impl.cc
index 42d943d32a7c1047f76abfe20e1e728e86de1476..435e56abc3a455fa2fba0b8597f6256304d529fa 100644
--- a/cc/trees/remote_channel_impl.cc
+++ b/cc/trees/remote_channel_impl.cc
@@ -343,7 +343,17 @@ void RemoteChannelImpl::SetRendererCapabilitiesMainCopy(
 
 void RemoteChannelImpl::BeginMainFrameNotExpectedSoon() {}
 
-void RemoteChannelImpl::DidCommitAndDrawFrame() {}
+void RemoteChannelImpl::DidCommitAndDrawFrame() {
+  DCHECK(task_runner_provider_->IsImplThread());
+  MainThreadTaskRunner()->PostTask(
+      FROM_HERE, base::Bind(&RemoteChannelImpl::DidCommitAndDrawFrameOnMain,
+                            impl().remote_channel_weak_ptr));
+}
+
+void RemoteChannelImpl::DidCommitAndDrawFrameOnMain() {
+  DCHECK(task_runner_provider_->IsMainThread());
+  main().layer_tree_host->DidCommitAndDrawFrame();
+}
 
 void RemoteChannelImpl::SetAnimationEvents(
     std::unique_ptr<AnimationEvents> queue) {}