gpu: Move GpuWatchdogThread into //gpu/ipc/service from content.

gpu/ipc/service/gpu_channel_manager.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/ipc/service/gpu_channel_manager.h"
 
 #include <algorithm>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 27 matching lines @@
 // Maximum amount of time we keep pinging the GPU waiting for the client to
 // draw.
 const int kMaxKeepAliveTimeMs = 200;
 #endif
 
 }
 
 GpuChannelManager::GpuChannelManager(
     const GpuPreferences& gpu_preferences,
     GpuChannelManagerDelegate* delegate,
-    GpuWatchdog* watchdog,
+    GpuWatchdogThread* watchdog,
     base::SingleThreadTaskRunner* task_runner,
     base::SingleThreadTaskRunner* io_task_runner,
     base::WaitableEvent* shutdown_event,
     SyncPointManager* sync_point_manager,
     GpuMemoryBufferFactory* gpu_memory_buffer_factory)
     : task_runner_(task_runner),
       io_task_runner_(io_task_runner),
       gpu_preferences_(gpu_preferences),
       gpu_driver_bug_workarounds_(base::CommandLine::ForCurrentProcess()),
       delegate_(delegate),
@@ skipping 224 matching lines @@
     }
   }
   if (!stub || !stub->decoder()->MakeCurrent())
     return;
   glFinish();
   DidAccessGpu();
 }
 #endif
 
 }  // namespace gpu