cc: Split animating and drawing into separate actions

cc/trees/single_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/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/debug/trace_event.h"
 #include "cc/debug/benchmark_instrumentation.h"
 #include "cc/output/context_provider.h"
@@ skipping 249 matching lines @@
 
 void SingleThreadProxy::NotifyReadyToActivate() {
   // Thread-only feature.
   NOTREACHED();
 }
 
 void SingleThreadProxy::SetNeedsRedrawOnImplThread() {
   client_->ScheduleComposite();
 }
 
+void SingleThreadProxy::SetNeedsAnimateOnImplThread() {
+  SetNeedsRedrawOnImplThread();
+}
+
 void SingleThreadProxy::SetNeedsManageTilesOnImplThread() {
   // Thread-only/Impl-side-painting-only feature.
   NOTREACHED();
 }
 
 void SingleThreadProxy::SetNeedsRedrawRectOnImplThread(
     const gfx::Rect& damage_rect) {
   // TODO(brianderson): Once we move render_widget scheduling into this class,
   // we can treat redraw requests more efficiently than CommitAndRedraw
   // requests.
@@ skipping 228 matching lines @@
 void SingleThreadProxy::DidSwapFrame() {
   if (next_frame_is_newly_committed_frame_) {
     next_frame_is_newly_committed_frame_ = false;
     layer_tree_host_->DidCommitAndDrawFrame();
   }
 }
 
 bool SingleThreadProxy::CommitPendingForTesting() { return false; }
 
 }  // namespace cc