Implement MusGpuMemoryBufferManager

components/mus/surfaces/surfaces_context_provider.h

 // Copyright 2014 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_SURFACES_CONTEXT_PROVIDER_H_
 #define COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_H_
 
 #include <stdint.h>
 
 #include <memory>
 
 #include "base/macros.h"
 #include "base/threading/non_thread_safe.h"
 #include "cc/output/context_provider.h"
 #include "components/mus/gles2/command_buffer_local_client.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gl/gl_surface.h"
 
 namespace gpu {
 
 class CommandBufferProxyImpl;
+struct GpuProcessHostedCALayerTreeParamsMac;
 class TransferBuffer;
 
 namespace gles2 {
 class GLES2CmdHelper;
 class GLES2Implementation;
 }
 
 }  // namespace gpu
 
+namespace ui {
+class LatencyInfo;
+}
+
 namespace mus {
 
 class CommandBufferDriver;
 class CommandBufferImpl;
 class CommandBufferLocal;
 class GpuState;
 class SurfacesContextProviderDelegate;
 
 class SurfacesContextProvider : public cc::ContextProvider,
                                 public CommandBufferLocalClient,
@@ skipping 22 matching lines @@
 
  protected:
   friend class base::RefCountedThreadSafe<SurfacesContextProvider>;
   ~SurfacesContextProvider() override;
 
  private:
   // CommandBufferLocalClient:
   void UpdateVSyncParameters(int64_t timebase, int64_t interval) override;
   void GpuCompletedSwapBuffers(gfx::SwapResult result) override;
 
+  // Callbacks for CommandBufferProxyImpl:
+  void OnGpuSwapBuffersCompleted(
+      const std::vector<ui::LatencyInfo>& latency_info,
+      gfx::SwapResult result,
+      const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac);
+  void OnUpdateVSyncParameters(base::TimeTicks timebase,
+                               base::TimeDelta interval);
+
   bool use_chrome_gpu_command_buffer_;
 
   // From GLES2Context:
   // Initialized in BindToCurrentThread.
   std::unique_ptr<gpu::gles2::GLES2CmdHelper> gles2_helper_;
   std::unique_ptr<gpu::TransferBuffer> transfer_buffer_;
   std::unique_ptr<gpu::gles2::GLES2Implementation> implementation_;
 
   gpu::Capabilities capabilities_;
   LostContextCallback lost_context_callback_;
 
   SurfacesContextProviderDelegate* delegate_;
   gfx::AcceleratedWidget widget_;
   CommandBufferLocal* command_buffer_local_;
   std::unique_ptr<gpu::CommandBufferProxyImpl> command_buffer_proxy_impl_;
-
   gl::GLSurface::SwapCompletionCallback swap_buffers_completion_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(SurfacesContextProvider);
 };
 
 }  // namespace mus
 
 #endif  // COMPONENTS_MUS_SURFACES_SURFACES_CONTEXT_PROVIDER_H_