cc: Remove FinishAllRendering, as it doesn't do anything anymore.

cc/trees/remote_channel_main.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/trees/remote_channel_main.h"
 
 #include <memory>
 
 #include "base/memory/ptr_util.h"
 #include "cc/proto/base_conversions.h"
@@ skipping 82 matching lines @@
   to_impl_proto->set_message_type(
       proto::CompositorMessageToImpl::SET_DEFER_COMMITS);
   proto::SetDeferCommits* defer_commits_message =
       to_impl_proto->mutable_defer_commits_message();
   defer_commits_message->set_defer_commits(defer_commits);
 
   VLOG(1) << "Sending defer commits: " << defer_commits << " to client.";
   SendMessageProto(proto);
 }
 
-void RemoteChannelMain::FinishAllRenderingOnImpl(CompletionEvent* completion) {
-  completion->Signal();
-}
-
 void RemoteChannelMain::SetVisibleOnImpl(bool visible) {
   NOTIMPLEMENTED() << "Visibility is not controlled by the server";
 }
 
 void RemoteChannelMain::ReleaseOutputSurfaceOnImpl(
     CompletionEvent* completion) {
   NOTREACHED() << "Should not be called on the server LayerTreeHost";
   completion->Signal();
 }
 
@@ skipping 179 matching lines @@
 
 void RemoteChannelMain::DidCompleteSwapBuffers() {
   proxy_main_->DidCompleteSwapBuffers();
 }
 
 base::SingleThreadTaskRunner* RemoteChannelMain::MainThreadTaskRunner() const {
   return task_runner_provider_->MainThreadTaskRunner();
 }
 
 }  // namespace cc