content: Add RendererScheduler.

content/renderer/render_thread_impl.h

Index: content/renderer/render_thread_impl.h
diff --git a/content/renderer/render_thread_impl.h b/content/renderer/render_thread_impl.h
index 9aacd9716604241dcaed7d4378a19647f3c49ae5..831c982222041e397a102ccd467e7b61e90d244a 100644
--- a/content/renderer/render_thread_impl.h
+++ b/content/renderer/render_thread_impl.h
@@ -98,6 +98,7 @@ class PeerConnectionTracker;
 class RenderProcessObserver;
 class RendererBlinkPlatformImpl;
 class RendererDemuxerAndroid;
+class RendererScheduler;
 class VideoCaptureImplManager;
 class WebGraphicsContext3DCommandBufferImpl;
 class WebRTCIdentityService;
@@ -193,6 +194,11 @@ class CONTENT_EXPORT RenderThreadImpl : public RenderThread,
     layout_test_mode_ = layout_test_mode;
   }
 
+  RendererScheduler* renderer_scheduler() const {
+    DCHECK(renderer_scheduler_);
+    return renderer_scheduler_.get();
+  }
+
   RendererBlinkPlatformImpl* blink_platform_impl() const {
     DCHECK(blink_platform_impl_);
     return blink_platform_impl_.get();
@@ -453,6 +459,7 @@ class CONTENT_EXPORT RenderThreadImpl : public RenderThread,
   scoped_ptr<AppCacheDispatcher> appcache_dispatcher_;
   scoped_ptr<DomStorageDispatcher> dom_storage_dispatcher_;
   scoped_ptr<IndexedDBDispatcher> main_thread_indexed_db_dispatcher_;
+  scoped_ptr<RendererScheduler> renderer_scheduler_;
   scoped_ptr<RendererBlinkPlatformImpl> blink_platform_impl_;
   scoped_ptr<EmbeddedWorkerDispatcher> embedded_worker_dispatcher_;