Add a test checking that compositor works in a reused renderer.

cc/surfaces/compositor_frame_sink_support.h

 // Copyright 2016 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.
 
 #ifndef CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_
 #define CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_
 
 #include <memory>
 #include <unordered_set>
 #include <vector>
@@ skipping 38 matching lines @@
 
   void EvictFrame();
   void SetNeedsBeginFrame(bool needs_begin_frame);
   void BeginFrameDidNotSwap(const BeginFrameAck& ack);
   void SubmitCompositorFrame(const LocalSurfaceId& local_surface_id,
                              CompositorFrame frame);
   void RequestCopyOfSurface(std::unique_ptr<CopyOutputRequest> request);
   void ForceReclaimResources();
   void ClaimTemporaryReference(const SurfaceId& surface_id);
 
+  void RunDrawCallbacks();
+
  private:
   // Update surface references with SurfaceManager for current CompositorFrame
   // that has |local_surface_id|. UpdateReferences() must be called on
   // |reference_tracker_| before calling this. Will add and remove top-level
   // root references if |display_| is not null.
   void UpdateSurfaceReferences(const SurfaceId& last_surface_id,
                                const LocalSurfaceId& local_surface_id);
 
   void AddTopLevelRootReference(const SurfaceId& surface_id);
   void RemoveTopLevelRootReference(const SurfaceId& surface_id);
@@ skipping 60 matching lines @@
   const bool handles_frame_sink_id_invalidation_;
 
   base::WeakPtrFactory<CompositorFrameSinkSupport> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorFrameSinkSupport);
 };
 
 }  // namespace cc
 
 #endif  // CC_SURFACES_COMPOSITOR_FRAME_SINK_SUPPORT_H_