Move display_ From CompositorFrameSinkSupport To GpuDisplayCompositorFrameSink

cc/surfaces/compositor_frame_sink_support.h

Index: cc/surfaces/compositor_frame_sink_support.h
diff --git a/cc/surfaces/compositor_frame_sink_support.h b/cc/surfaces/compositor_frame_sink_support.h
index ef8d2bf7b5f02aa281a563e7c330b8930c5a482e..3a766706b7282717f00d78a6be505d0a9985d995 100644
--- a/cc/surfaces/compositor_frame_sink_support.h
+++ b/cc/surfaces/compositor_frame_sink_support.h
@@ -12,8 +12,6 @@
 #include "base/memory/weak_ptr.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/scheduler/begin_frame_source.h"
-#include "cc/surfaces/display.h"
-#include "cc/surfaces/display_client.h"
 #include "cc/surfaces/referenced_surface_tracker.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_factory_client.h"
@@ -23,24 +21,18 @@
 namespace cc {
 
 class CompositorFrameSinkSupportClient;
-class Display;
 class SurfaceManager;
 
 class CC_SURFACES_EXPORT CompositorFrameSinkSupport
-    : public NON_EXPORTED_BASE(DisplayClient),
-      public SurfaceFactoryClient,
+    : public SurfaceFactoryClient,
       public BeginFrameObserver {
  public:
-  // |display| is nullptr if the CompositorFrameSinkSupport submits
-  // CompositorFrames to a offscreen texutre/bitmap instead of a
-  // DisplayCompositor. e.g. OffscreenCanvasCompositorFrameSink and
-  // GpuOffscreenCompositorFrameSink.
   CompositorFrameSinkSupport(CompositorFrameSinkSupportClient* client,
                              SurfaceManager* surface_manager,
                              const FrameSinkId& frame_sink_id,
-                             Display* display,
                              bool handles_frame_sink_id_invalidation,
-                             bool needs_sync_points);
+                             bool needs_sync_points,
+                             bool has_display);
 
   ~CompositorFrameSinkSupport() override;
 
@@ -57,8 +49,6 @@ class CC_SURFACES_EXPORT CompositorFrameSinkSupport
   void RemoveChildFrameSink(const FrameSinkId& child_frame_sink_id);
   void ForceReclaimResources();
 
-  Display* display() { return display_; }
-
  private:
   // Update surface references with SurfaceManager for current CompositorFrame
   // that has |local_surface_id|. UpdateReferences() must be called on
@@ -72,12 +62,6 @@ class CC_SURFACES_EXPORT CompositorFrameSinkSupport
 
   void DidReceiveCompositorFrameAck();
 
-  // DisplayClient implementation.
-  void DisplayOutputSurfaceLost() override;
-  void DisplayWillDrawAndSwap(bool will_draw_and_swap,
-                              const RenderPassList& render_passes) override;
-  void DisplayDidDrawAndSwap() override;
-
   // SurfaceFactoryClient implementation.
   void ReturnResources(const ReturnedResourceArray& resources) override;
   void SetBeginFrameSource(BeginFrameSource* begin_frame_source) override;
@@ -95,7 +79,6 @@ class CC_SURFACES_EXPORT CompositorFrameSinkSupport
 
   SurfaceManager* const surface_manager_;
   const FrameSinkId frame_sink_id_;
-  Display* const display_;
 
   SurfaceFactory surface_factory_;
   // Counts the number of CompositorFrames that have been submitted and have not
@@ -134,6 +117,8 @@ class CC_SURFACES_EXPORT CompositorFrameSinkSupport
   // The set of BeginFrame children of this CompositorFrameSink.
   std::unordered_set<FrameSinkId, FrameSinkIdHash> child_frame_sinks_;
 
+  const bool has_display_;
+
   base::WeakPtrFactory<CompositorFrameSinkSupport> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorFrameSinkSupport);