Update from https://crrev.com/318214

cc/trees/thread_proxy.cc

 // Copyright 2011 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/thread_proxy.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 1344 matching lines @@
   // Notify the the client of this compositor via the output surface.
   // TODO(epenner): Route this to compositor-thread instead of output-surface
   // after GTFO refactor of compositor-thread (http://crbug/170828).
   if (impl().layer_tree_host_impl->output_surface()) {
     impl()
         .layer_tree_host_impl->output_surface()
         ->UpdateSmoothnessTakesPriority(priority == SMOOTHNESS_TAKES_PRIORITY);
   }
 }
 
-void ThreadProxy::PostDelayedScrollbarFadeOnImplThread(
-    const base::Closure& start_fade,
+void ThreadProxy::PostDelayedAnimationTaskOnImplThread(
+    const base::Closure& task,
     base::TimeDelta delay) {
-  Proxy::ImplThreadTaskRunner()->PostDelayedTask(FROM_HERE, start_fade, delay);
+  Proxy::ImplThreadTaskRunner()->PostDelayedTask(FROM_HERE, task, delay);
 }
 
 void ThreadProxy::DidActivateSyncTree() {
   TRACE_EVENT0("cc", "ThreadProxy::DidActivateSyncTreeOnImplThread");
   DCHECK(IsImplThread());
 
   if (impl().completion_event_for_commit_held_on_tree_activation) {
     TRACE_EVENT_INSTANT0(
         "cc", "ReleaseCommitbyActivation", TRACE_EVENT_SCOPE_THREAD);
     DCHECK(impl().layer_tree_host_impl->settings().impl_side_painting);
@@ skipping 10 matching lines @@
 }
 
 void ThreadProxy::DidCompletePageScaleAnimationOnImplThread() {
   DCHECK(IsImplThread());
   Proxy::MainThreadTaskRunner()->PostTask(
       FROM_HERE, base::Bind(&ThreadProxy::DidCompletePageScaleAnimation,
                             main_thread_weak_ptr_));
 }
 
 }  // namespace cc