Removed last references to old sync points.

components/mus/gles2/command_buffer_impl.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/gles2/command_buffer_impl.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "base/message_loop/message_loop.h"
 #include "components/mus/gles2/command_buffer_driver.h"
@@ skipping 49 matching lines @@
       base::Bind(&CommandBufferImpl::BindToRequest,
                  base::Unretained(this), base::Passed(&request)));
 }
 
 void CommandBufferImpl::DidLoseContext(uint32_t reason) {
   driver_->set_client(nullptr);
   loss_observer_->DidLoseContext(reason);
 }
 
 CommandBufferImpl::~CommandBufferImpl() {
-  // Retire all sync points.
-  for (uint32_t sync_point : sync_points_)
-    gpu_state_->sync_point_manager()->RetireSyncPoint(sync_point);
   if (observer_)
     observer_->OnCommandBufferImplDestroyed();
 }
 
 void CommandBufferImpl::Initialize(
     mus::mojom::CommandBufferLostContextObserverPtr loss_observer,
     mojo::ScopedSharedBufferHandle shared_state,
     mojo::Array<int32_t> attribs,
     const mojom::CommandBuffer::InitializeCallback& callback) {
   gpu_state_->command_buffer_task_runner()->task_runner()->PostTask(
@@ skipping 175 matching lines @@
       driver_.get(), base::Bind(&CommandBufferImpl::DeleteOnGpuThread,
                                 base::Unretained(this)));
 }
 
 bool CommandBufferImpl::DeleteOnGpuThread() {
   delete this;
   return true;
 }
 
 }  // namespace mus