Fix scrollbar fade animation scheduling.

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 "base/auto_reset.h"
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "cc/base/thread.h"
@@ skipping 1346 matching lines @@
 }
 
 void ThreadProxy::RequestScrollbarAnimationOnImplThread(base::TimeDelta delay) {
   Proxy::ImplThread()->PostDelayedTask(
       base::Bind(&ThreadProxy::StartScrollbarAnimationOnImplThread,
                  impl_thread_weak_ptr_),
       delay);
 }
 
 void ThreadProxy::StartScrollbarAnimationOnImplThread() {
-  layer_tree_host_impl_->StartScrollbarAnimation(
-      layer_tree_host_impl_->CurrentFrameTimeTicks());
+  layer_tree_host_impl_->StartScrollbarAnimation();
 }
 
 void ThreadProxy::DidActivatePendingTree() {
   DCHECK(IsImplThread());
   TRACE_EVENT0("cc", "ThreadProxy::DidActivatePendingTreeOnImplThread");
 
   if (completion_event_for_commit_held_on_tree_activation_ &&
       !layer_tree_host_impl_->pending_tree()) {
     TRACE_EVENT_INSTANT0("cc", "ReleaseCommitbyActivation",
                          TRACE_EVENT_SCOPE_THREAD);
     DCHECK(layer_tree_host_impl_->settings().impl_side_painting);
     completion_event_for_commit_held_on_tree_activation_->Signal();
     completion_event_for_commit_held_on_tree_activation_ = NULL;
   }
 }
 
 }  // namespace cc