Fix names of in-process threads, tidy gpu DEPS

content/renderer/renderer_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_RENDERER_RENDERER_MAIN_THREAD_H_
-#define CONTENT_RENDERER_RENDERER_MAIN_THREAD_H_
-
-#include <string>
-
-#include "base/threading/thread.h"
-#include "content/common/content_export.h"
-
-namespace content {
-class RenderProcess;
-
-// This class creates the IO thread for the renderer when running in
-// single-process mode.  It's not used in multi-process mode.
-class RendererMainThread : public base::Thread {
- public:
-  explicit RendererMainThread(const std::string& channel_id);
-  virtual ~RendererMainThread();
-
- protected:
-  virtual void Init() OVERRIDE;
-  virtual void CleanUp() OVERRIDE;
-
- private:
-  std::string channel_id_;
-  scoped_ptr<RenderProcess> render_process_;
-
-  DISALLOW_COPY_AND_ASSIGN(RendererMainThread);
-};
-
-CONTENT_EXPORT base::Thread* CreateRendererMainThread(
-    const std::string& channel_id);
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_RENDERER_MAIN_THREAD_H_