Fix names of in-process threads, tidy gpu DEPS

content/utility/utility_main_thread.h

-// Copyright 2013 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_UTILITY_UTILITY_MAIN_THREAD_H_
-#define CONTENT_UTILITY_UTILITY_MAIN_THREAD_H_
-
-#include <string>
-
-#include "base/threading/thread.h"
-#include "content/common/content_export.h"
-
-namespace content {
-
-class ChildProcess;
-
-class UtilityMainThread : public base::Thread {
- public:
-  UtilityMainThread(const std::string& channel_id);
-  virtual ~UtilityMainThread();
- private:
-
-  // base::Thread implementation:
-  virtual void Init() OVERRIDE;
-  virtual void CleanUp() OVERRIDE;
-
-  void InitInternal();
-
-  std::string channel_id_;
-  scoped_ptr<ChildProcess> child_process_;
-
-  DISALLOW_COPY_AND_ASSIGN(UtilityMainThread);
-};
-
-CONTENT_EXPORT base::Thread* CreateUtilityMainThread(
-    const std::string& channel_id);
-
-}  // namespace content
-
-#endif  // CONTENT_UTILITY_UTILITY_MAIN_THREAD_H_