Template methods on Timer classes instead of the classes themselves.

content/common/gpu/gpu_channel.h

 // 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.
 
 #ifndef CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 #define CONTENT_COMMON_GPU_GPU_CHANNEL_H_
 
 #include <string>
 
 #include "base/containers/hash_tables.h"
@@ skipping 357 matching lines @@
   // The message_queue_ is used to handle messages on the main thread.
   scoped_refptr<GpuChannelMessageQueue> message_queue_;
   IPC::Sender* sender_;
   base::ProcessId peer_pid_;
   gpu::SyncPointManager* sync_point_manager_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
   scoped_refptr<gpu::PreemptionFlag> preempting_flag_;
   std::vector<scoped_refptr<IPC::MessageFilter>> channel_filters_;
 
   // This timer is created and destroyed on the IO thread.
-  scoped_ptr<base::OneShotTimer<GpuChannelMessageFilter>> timer_;
+  scoped_ptr<base::OneShotTimer> timer_;
 
   bool a_stub_is_descheduled_;
 
   // True if this channel can create future sync points.
   bool future_sync_points_;
 };
 
 struct GpuChannelMessage {
   uint32_t order_number;
   base::TimeTicks time_received;
@@ skipping 76 matching lines @@
 
   base::WeakPtr<GpuChannel> gpu_channel_;
   scoped_refptr<base::SingleThreadTaskRunner> task_runner_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuChannelMessageQueue);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_GPU_CHANNEL_H_