[cc] Plumb BeginFrameAcks through SurfaceManager to DisplayScheduler.

cc/surfaces/display.h

Index: cc/surfaces/display.h
diff --git a/cc/surfaces/display.h b/cc/surfaces/display.h
index 314cb405ecc09be589ede5976d850fe8e4013f71..a8742587277a23f6c941af626f7ba2d915c0527e 100644
--- a/cc/surfaces/display.h
+++ b/cc/surfaces/display.h
@@ -40,7 +40,6 @@ class RendererSettings;
 class ResourceProvider;
 class SharedBitmapManager;
 class SoftwareRenderer;
-class SurfaceAggregator;
 class TextureMailboxDeleter;
 
 // A Display produces a surface that can be used to draw to a physical display
@@ -78,6 +77,8 @@ class CC_SURFACES_EXPORT Display : public DisplaySchedulerClient,
 
   // DisplaySchedulerClient implementation.
   bool DrawAndSwap() override;
+  const SurfaceAggregator::SurfaceIndexMap& GetPreviousContainedSurfaces()
+      override;
 
   // OutputSurfaceClient implementation.
   void SetNeedsRedrawRect(const gfx::Rect& damage_rect) override;
@@ -88,6 +89,11 @@ class CC_SURFACES_EXPORT Display : public DisplaySchedulerClient,
   // SurfaceObserver implementation.
   void OnSurfaceDamaged(const SurfaceId& surface, bool* changed) override;
   void OnSurfaceCreated(const SurfaceInfo& surface_info) override;
+  void OnSurfaceDestroyed(const SurfaceId& surface_id) override;
+  void OnSurfaceReceivedBeginFrame(const SurfaceId& surface_id,
+                                   const BeginFrameArgs& args) override;
+  void OnSurfaceFinishedBeginFrame(const SurfaceId& surface_id,
+                                   const BeginFrameAck& ack) override;
 
   bool has_scheduler() const { return !!scheduler_; }
   DirectRenderer* renderer_for_testing() const { return renderer_.get(); }