Hook up ui::Compositor to Display's BeginFrameSource

components/mus/surfaces/top_level_display_client.h

 // Copyright 2015 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 COMPONENTS_MUS_SURFACES_TOP_LEVEL_DISPLAY_CLIENT_H_
 #define COMPONENTS_MUS_SURFACES_TOP_LEVEL_DISPLAY_CLIENT_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "cc/surfaces/display_client.h"
 #include "cc/surfaces/surface_factory.h"
 #include "cc/surfaces/surface_factory_client.h"
 #include "components/mus/gles2/gpu_state.h"
 #include "components/mus/public/interfaces/window_manager.mojom.h"
-#include "components/mus/surfaces/surfaces_context_provider.h"
-#include "components/mus/surfaces/surfaces_context_provider_delegate.h"
 #include "components/mus/surfaces/surfaces_state.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "ui/gfx/native_widget_types.h"
 
 namespace cc {
 class CopyOutputResult;
 class Display;
 class DisplayScheduler;
 class SurfaceFactory;
-class SyntheticBeginFrameSource;
 }
 
 namespace mus {
 
 class DisplayDelegate;
 class SurfacesState;
 
 // A TopLevelDisplayClient manages the top level surface that is rendered into a
 // provided AcceleratedWidget. Frames are submitted here. New frames are
 // scheduled to be generated here based on VSync.
 class TopLevelDisplayClient : public cc::DisplayClient,
-                              public cc::SurfaceFactoryClient,
-                              public SurfacesContextProviderDelegate {
+                              public cc::SurfaceFactoryClient {
  public:
   TopLevelDisplayClient(gfx::AcceleratedWidget widget,
                         const scoped_refptr<GpuState>& gpu_state,
                         const scoped_refptr<SurfacesState>& surfaces_state);
   ~TopLevelDisplayClient() override;
 
   void SubmitCompositorFrame(std::unique_ptr<cc::CompositorFrame> frame,
                              const base::Closure& callback);
   const cc::SurfaceId& surface_id() const { return cc_id_; }
 
   void RequestCopyOfOutput(
       std::unique_ptr<cc::CopyOutputRequest> output_request);
 
  private:
   // DisplayClient implementation.
-  // TODO(rjkroege, fsamuel): This won't work correctly with multiple displays.
-  void CommitVSyncParameters(base::TimeTicks timebase,
-                             base::TimeDelta interval) override;
   void OutputSurfaceLost() override;
   void SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override;
 
-  // SurfacesContextProviderDelegate:
-  void OnVSyncParametersUpdated(int64_t timebase, int64_t interval) override;
-
   // SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
   void SetBeginFrameSource(cc::BeginFrameSource* begin_frame_source) override;
 
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<SurfacesState> surfaces_state_;
   cc::SurfaceFactory factory_;
   cc::SurfaceId cc_id_;
 
   gfx::Size last_submitted_frame_size_;
   std::unique_ptr<cc::CompositorFrame> pending_frame_;
 
-  std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_frame_source_;
-  std::unique_ptr<cc::DisplayScheduler> scheduler_;
   std::unique_ptr<cc::Display> display_;
 
   DISALLOW_COPY_AND_ASSIGN(TopLevelDisplayClient);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_SURFACES_TOP_LEVEL_DISPLAY_CLIENT_H_