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

cc/trees/threaded_channel.cc

 // Copyright 2015 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/threaded_channel.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 98 matching lines @@
                             proxy_impl_weak_ptr_, damage_rect));
 }
 
 void ThreadedChannel::SetVisibleOnImpl(bool visible) {
   DCHECK(IsMainThread());
   ImplThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&ProxyImpl::SetVisibleOnImpl, proxy_impl_weak_ptr_, visible));
 }
 
-void ThreadedChannel::FinishAllRenderingOnImpl(CompletionEvent* completion) {
-  DCHECK(IsMainThread());
-  ImplThreadTaskRunner()->PostTask(
-      FROM_HERE, base::Bind(&ProxyImpl::FinishAllRenderingOnImpl,
-                            proxy_impl_weak_ptr_, completion));
-}
-
 void ThreadedChannel::ReleaseOutputSurfaceOnImpl(CompletionEvent* completion) {
   DCHECK(IsMainThread());
   ImplThreadTaskRunner()->PostTask(
       FROM_HERE, base::Bind(&ProxyImpl::ReleaseOutputSurfaceOnImpl,
                             proxy_impl_weak_ptr_, completion));
 }
 
 void ThreadedChannel::MainFrameWillHappenOnImplForTesting(
     CompletionEvent* completion,
     bool* main_frame_will_happen) {
@@ skipping 220 matching lines @@
 
 ThreadedChannel::MainThreadOnly::~MainThreadOnly() {}
 
 ThreadedChannel::CompositorThreadOnly::CompositorThreadOnly(
     base::WeakPtr<ProxyMain> proxy_main_weak_ptr)
     : proxy_main_weak_ptr(proxy_main_weak_ptr) {}
 
 ThreadedChannel::CompositorThreadOnly::~CompositorThreadOnly() {}
 
 }  // namespace cc