Implement MusGpuMemoryBufferManager

components/mus/surfaces/surfaces_context_provider.cc

 // 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.
 
 #include "components/mus/surfaces/surfaces_context_provider.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 42 matching lines @@
     attributes.bind_generates_resource = false;
     attributes.lose_context_when_out_of_memory = true;
     gl::GpuPreference gpu_preference = gl::PreferIntegratedGpu;
     GURL active_url;
     scoped_refptr<base::SingleThreadTaskRunner> task_runner =
         base::ThreadTaskRunnerHandle::Get();
     command_buffer_proxy_impl_ = gpu::CommandBufferProxyImpl::Create(
         service->gpu_channel_local(), widget, gfx::Size(),
         shared_command_buffer, stream_id, stream_priority, attributes,
         active_url, gpu_preference, task_runner);
+    command_buffer_proxy_impl_->SetSwapBuffersCompletionCallback(
+        base::Bind(&SurfacesContextProvider::OnGpuSwapBuffersCompleted,
+                   base::Unretained(this)));
+    command_buffer_proxy_impl_->SetUpdateVSyncParametersCallback(
+        base::Bind(&SurfacesContextProvider::OnUpdateVSyncParameters,
+                   base::Unretained(this)));
   }
 }
 
 void SurfacesContextProvider::SetDelegate(
     SurfacesContextProviderDelegate* delegate) {
   DCHECK(!delegate_);
   delegate_ = delegate;
 }
 
 // This routine needs to be safe to call more than once.
@@ skipping 90 matching lines @@
   if (delegate_)
     delegate_->OnVSyncParametersUpdated(timebase, interval);
 }
 
 void SurfacesContextProvider::GpuCompletedSwapBuffers(gfx::SwapResult result) {
   if (!swap_buffers_completion_callback_.is_null()) {
     swap_buffers_completion_callback_.Run(result);
   }
 }
 
+void SurfacesContextProvider::OnGpuSwapBuffersCompleted(
+    const std::vector<ui::LatencyInfo>& latency_info,
+    gfx::SwapResult result,
+    const gpu::GpuProcessHostedCALayerTreeParamsMac* params_mac) {
+  if (!swap_buffers_completion_callback_.is_null()) {
+    swap_buffers_completion_callback_.Run(result);
+  }
+}
+
+void SurfacesContextProvider::OnUpdateVSyncParameters(
+    base::TimeTicks timebase,
+    base::TimeDelta interval) {
+  if (delegate_)

[piman, 2016/06/09 19:31:32]

nit: use {} per style.

[Peng, 2016/06/09 20:32:45]

Done.

+    delegate_->OnVSyncParametersUpdated(timebase.ToInternalValue(),
+                                        interval.ToInternalValue());
+}
+
 void SurfacesContextProvider::SetSwapBuffersCompletionCallback(
     gl::GLSurface::SwapCompletionCallback callback) {
   swap_buffers_completion_callback_ = callback;
 }
 
 }  // namespace mus