Added ability to dynamically toggle frame throttling in the scheduler.

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 169 matching lines @@
 }
 
 void ThreadProxy::SetVisibleOnImplThread(CompletionEvent* completion,
                                          bool visible) {
   TRACE_EVENT1("cc", "ThreadProxy::SetVisibleOnImplThread", "visible", visible);
   impl().layer_tree_host_impl->SetVisible(visible);
   impl().scheduler->SetVisible(visible);
   completion->Signal();
 }
 
+void ThreadProxy::SetThrottleFrameProduction(bool throttle) {
+  TRACE_EVENT1("cc", "ThreadProxy::SetThrottleFrameProduction", "throttle",
+               throttle);
+  Proxy::ImplThreadTaskRunner()->PostTask(
+      FROM_HERE,
+      base::Bind(&ThreadProxy::SetThrottleFrameProductionOnImplThread,
+                 impl_thread_weak_ptr_, throttle));
+}
+
+void ThreadProxy::SetThrottleFrameProductionOnImplThread(bool throttle) {
+  TRACE_EVENT1("cc", "ThreadProxy::SetThrottleFrameProductionOnImplThread",
+               "throttle", throttle);
+  impl().scheduler->SetThrottleFrameProduction(throttle);
+}
+
 void ThreadProxy::DidLoseOutputSurface() {
   TRACE_EVENT0("cc", "ThreadProxy::DidLoseOutputSurface");
   DCHECK(IsMainThread());
   layer_tree_host()->DidLoseOutputSurface();
 
   {
     DebugScopedSetMainThreadBlocked main_thread_blocked(this);
 
     // Return lost resources to their owners immediately.
     BlockingTaskRunner::CapturePostTasks blocked(
@@ skipping 1134 matching lines @@
 
   impl().timing_history.DidActivateSyncTree();
 }
 
 void ThreadProxy::DidPrepareTiles() {
   DCHECK(IsImplThread());
   impl().scheduler->DidPrepareTiles();
 }
 
 }  // namespace cc