gpu: Allow waiting on sync tokens without sync token client.

gpu/ipc/service/gpu_channel_test_common.cc

 // Copyright (c) 2015 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/ipc/service/gpu_channel_test_common.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/test/test_simple_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "gpu/command_buffer/service/sync_point_manager.h"
@@ skipping 114 matching lines @@
 
 bool TestGpuChannel::Send(IPC::Message* msg) {
   DCHECK(!msg->is_sync());
   return sink_.Send(msg);
 }
 
 // TODO(sunnyps): Use a mock memory buffer factory when necessary.
 GpuChannelTestCommon::GpuChannelTestCommon()
     : task_runner_(new base::TestSimpleTaskRunner),
       io_task_runner_(new base::TestSimpleTaskRunner),
-      sync_point_manager_(new SyncPointManager(false)),
+      sync_point_manager_(new SyncPointManager()),
       channel_manager_delegate_(new TestGpuChannelManagerDelegate()) {}
 
 GpuChannelTestCommon::~GpuChannelTestCommon() {
   // Clear pending tasks to avoid refptr cycles that get flagged by ASAN.
   task_runner_->ClearPendingTasks();
   io_task_runner_->ClearPendingTasks();
 }
 
 void GpuChannelTestCommon::SetUp() {
   channel_manager_.reset(new TestGpuChannelManager(
       gpu_preferences_, channel_manager_delegate_.get(), task_runner_.get(),
       io_task_runner_.get(), sync_point_manager_.get(), nullptr));
 }
 
 void GpuChannelTestCommon::TearDown() {
   // Destroying channels causes tasks to run on the IO task runner.
   channel_manager_ = nullptr;
 }
 
 
 }  // namespace gpu