RendererCompositorFrameSink should receive BeginFrame messages

content/renderer/gpu/renderer_compositor_frame_sink.h

 // Copyright (c) 2012 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 CONTENT_RENDERER_GPU_RENDERER_COMPOSITOR_FRAME_SINK_H_
 #define CONTENT_RENDERER_GPU_RENDERER_COMPOSITOR_FRAME_SINK_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 14 matching lines @@
 #include "cc/surfaces/local_surface_id_allocator.h"
 #include "content/renderer/gpu/compositor_forwarding_message_filter.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "ui/gfx/selection_bound.h"
 
 namespace IPC {
 class Message;
 }
 
 namespace cc {
-class BeginFrameSource;
 class CompositorFrame;
 class ContextProvider;
 }
 
 namespace content {
 class FrameSwapMessageQueue;
 
 // This class can be created only on the main thread, but then becomes pinned
 // to a fixed thread when BindToClient is called.
 class RendererCompositorFrameSink
     : NON_EXPORTED_BASE(public cc::CompositorFrameSink),
-      NON_EXPORTED_BASE(public base::NonThreadSafe) {
+      NON_EXPORTED_BASE(public base::NonThreadSafe),
+      public cc::ExternalBeginFrameSourceClient {
  public:
   RendererCompositorFrameSink(
       int32_t routing_id,
       uint32_t compositor_frame_sink_id,
-      std::unique_ptr<cc::BeginFrameSource> begin_frame_source,
+      std::unique_ptr<cc::SyntheticBeginFrameSource>
+          synthetic_begin_frame_source,
       scoped_refptr<cc::ContextProvider> context_provider,
       scoped_refptr<cc::ContextProvider> worker_context_provider,
       gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager,
       cc::SharedBitmapManager* shared_bitmap_manager,
       scoped_refptr<FrameSwapMessageQueue> swap_frame_message_queue);
   RendererCompositorFrameSink(
       int32_t routing_id,
       uint32_t compositor_frame_sink_id,
-      std::unique_ptr<cc::BeginFrameSource> begin_frame_source,
+      std::unique_ptr<cc::SyntheticBeginFrameSource>
+          synthetic_begin_frame_source,
       scoped_refptr<cc::VulkanContextProvider> vulkan_context_provider,
       scoped_refptr<FrameSwapMessageQueue> swap_frame_message_queue);
   ~RendererCompositorFrameSink() override;
 
   // cc::CompositorFrameSink implementation.
   bool BindToClient(cc::CompositorFrameSinkClient* client) override;
   void DetachFromClient() override;
   void SubmitCompositorFrame(cc::CompositorFrame frame) override;
 
  protected:
@@ skipping 17 matching lines @@
     ~RendererCompositorFrameSinkProxy() {}
     RendererCompositorFrameSink* compositor_frame_sink_;
 
     DISALLOW_COPY_AND_ASSIGN(RendererCompositorFrameSinkProxy);
   };
 
   void OnMessageReceived(const IPC::Message& message);
   void OnReclaimCompositorResources(uint32_t compositor_frame_sink_id,
                                     bool is_swap_ack,
                                     const cc::ReturnedResourceArray& resources);
+  void OnSetBeginFrameSourcePaused(bool paused);
+  void OnBeginFrame(const cc::BeginFrameArgs& args);
   bool Send(IPC::Message* message);
 
   bool ShouldAllocateNewLocalSurfaceId(const cc::CompositorFrame& frame);
   void UpdateFrameData(const cc::CompositorFrame& frame);
 
+  // cc::ExternalBeginFrameSourceClient implementation.
+  void OnNeedsBeginFrames(bool need_begin_frames) override;
+  void OnDidFinishFrame(const cc::BeginFrameAck& ack) override;
+
   scoped_refptr<CompositorForwardingMessageFilter>
       compositor_frame_sink_filter_;
   CompositorForwardingMessageFilter::Handler
       compositor_frame_sink_filter_handler_;
   scoped_refptr<RendererCompositorFrameSinkProxy> compositor_frame_sink_proxy_;
   scoped_refptr<IPC::SyncMessageFilter> message_sender_;
   scoped_refptr<FrameSwapMessageQueue> frame_swap_message_queue_;
-  std::unique_ptr<cc::BeginFrameSource> begin_frame_source_;
+  std::unique_ptr<cc::SyntheticBeginFrameSource> synthetic_begin_frame_source_;
+  std::unique_ptr<cc::ExternalBeginFrameSource> external_begin_frame_source_;
   int routing_id_;
 
   cc::LocalSurfaceId local_surface_id_;
   cc::LocalSurfaceIdAllocator id_allocator_;
   struct {
     gfx::Size frame_size;
     float device_scale_factor;
 #ifdef OS_ANDROID
     float top_controls_height;
     float top_controls_shown_ratio;
     float bottom_controls_height;
     float bottom_controls_shown_ratio;
     cc::Selection<gfx::SelectionBound> viewport_selection;
     bool has_transparent_background;
 #endif
   } current_frame_data_;
 
   base::ThreadChecker thread_checker_;
   bool bound_ = false;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_GPU_RENDERER_COMPOSITOR_FRAME_SINK_H_