Refactored GLContext to own GPUTiming which spawn GPUTimingClients.

gpu/command_buffer/service/gl_context_virtual.cc

 // 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.
 
 #include "gpu/command_buffer/service/gl_context_virtual.h"
 
 #include "gpu/command_buffer/service/gl_state_restorer_impl.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 #include "ui/gl/gl_surface.h"
+#include "ui/gl/gpu_timing.h"
 
 namespace gpu {
 
 GLContextVirtual::GLContextVirtual(
     gfx::GLShareGroup* share_group,
     gfx::GLContext* shared_context,
     base::WeakPtr<gles2::GLES2Decoder> decoder)
   : GLContext(share_group),
     shared_context_(shared_context),
     display_(NULL),
@@ skipping 55 matching lines @@
     return shared_context_->IsCurrent(surface);
 
   // Otherwise, only insure the context itself is current.
   return shared_context_->IsCurrent(NULL);
 }
 
 void* GLContextVirtual::GetHandle() {
   return shared_context_->GetHandle();
 }
 
+scoped_refptr<gfx::GPUTimingClient> GLContextVirtual::CreateGPUTimingClient() {
+  return shared_context_->CreateGPUTimingClient();
+}
+
 void GLContextVirtual::OnSetSwapInterval(int interval) {
   shared_context_->SetSwapInterval(interval);
 }
 
 std::string GLContextVirtual::GetExtensions() {
   return shared_context_->GetExtensions();
 }
 
 bool GLContextVirtual::GetTotalGpuMemory(size_t* bytes) {
   return shared_context_->GetTotalGpuMemory(bytes);
@@ skipping 12 matching lines @@
 
 void GLContextVirtual::SetUnbindFboOnMakeCurrent() {
   shared_context_->SetUnbindFboOnMakeCurrent();
 }
 
 GLContextVirtual::~GLContextVirtual() {
   Destroy();
 }
 
 }  // namespace gpu