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

gpu/ipc/service/gpu_channel.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.h"
 
 #include <utility>
 
 #if defined(OS_WIN)
 #include <windows.h>
@@ skipping 559 matching lines @@
   if (message.is_sync()) {
     IPC::Message* reply = IPC::SyncMessage::GenerateReply(&message);
     reply->set_reply_error();
     Send(reply);
   }
   return true;
 }
 
 GpuChannel::GpuChannel(GpuChannelManager* gpu_channel_manager,
                        SyncPointManager* sync_point_manager,
-                       GpuWatchdog* watchdog,
+                       GpuWatchdogThread* watchdog,
                        gl::GLShareGroup* share_group,
                        gles2::MailboxManager* mailbox,
                        PreemptionFlag* preempting_flag,
                        PreemptionFlag* preempted_flag,
                        base::SingleThreadTaskRunner* task_runner,
                        base::SingleThreadTaskRunner* io_task_runner,
                        int32_t client_id,
                        uint64_t client_tracing_id,
                        bool allow_view_command_buffers,
                        bool allow_real_time_streams)
@@ skipping 471 matching lines @@
 
       return manager->gpu_memory_buffer_factory()
           ->AsImageFactory()
           ->CreateImageForGpuMemoryBuffer(handle, size, format, internalformat,
                                           client_id_, surface_handle);
     }
   }
 }
 
 }  // namespace gpu