scheduler: Add an unthrottled per-frame task runner

content/test/fake_renderer_scheduler.cc

 // Copyright 2014 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 "content/test/fake_renderer_scheduler.h"
 
 #include "third_party/WebKit/public/platform/WebThread.h"
 
 namespace content {
 
@@ skipping 32 matching lines @@
 scoped_refptr<scheduler::TaskQueue> FakeRendererScheduler::NewLoadingTaskRunner(
     const char* name) {
   return nullptr;
 }
 
 scoped_refptr<scheduler::TaskQueue> FakeRendererScheduler::NewTimerTaskRunner(
     const char* name) {
   return nullptr;
 }
 
+scoped_refptr<scheduler::TaskQueue>
+FakeRendererScheduler::NewUnthrottledTaskRunner(const char* name) {
+  return nullptr;
+}
+
 std::unique_ptr<scheduler::RenderWidgetSchedulingState>
 FakeRendererScheduler::NewRenderWidgetSchedulingState() {
   return nullptr;
 }
 
 void FakeRendererScheduler::WillBeginFrame(const cc::BeginFrameArgs& args) {
 }
 
 void FakeRendererScheduler::BeginFrameNotExpectedSoon() {
 }
@@ skipping 64 matching lines @@
 
 void FakeRendererScheduler::SetTimerQueueSuspensionWhenBackgroundedEnabled(
     bool enabled) {}
 
 void FakeRendererScheduler::SetTopLevelBlameContext(
     base::trace_event::BlameContext* blame_context) {}
 
 void FakeRendererScheduler::SetRAILModeObserver(RAILModeObserver* observer) {}
 
 }  // namespace content