Revert of Changed Blimp client to start with white screen before drawing contents

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..bacfa617039f86f4cb30adf269d91075811d685b 100644
--- a/cc/trees/remote_channel_impl.cc
+++ b/cc/trees/remote_channel_impl.cc
@@ -331,12 +331,7 @@
   return main_frame_will_happen;
 }
 
-void RemoteChannelImpl::DidCompleteSwapBuffers() {
-  DCHECK(task_runner_provider_->IsImplThread());
-  MainThreadTaskRunner()->PostTask(
-      FROM_HERE, base::Bind(&RemoteChannelImpl::DidCompleteSwapBuffersOnMain,
-                            impl().remote_channel_weak_ptr));
-}
+void RemoteChannelImpl::DidCompleteSwapBuffers() {}
 
 void RemoteChannelImpl::SetRendererCapabilitiesMainCopy(
     const RendererCapabilities& capabilities) {}
@@ -401,11 +396,6 @@
       FROM_HERE,
       base::Bind(&RemoteChannelImpl::SendMessageProtoOnMain,
                  impl().remote_channel_weak_ptr, base::Passed(&proto)));
-}
-
-void RemoteChannelImpl::DidCompleteSwapBuffersOnMain() {
-  DCHECK(task_runner_provider_->IsMainThread());
-  main().layer_tree_host->DidCompleteSwapBuffers();
 }
 
 void RemoteChannelImpl::DidLoseOutputSurfaceOnMain() {