Fix names of in-process threads, tidy gpu DEPS

content/gpu/gpu_main_thread.cc

-// 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.
-
-#include "content/gpu/gpu_main_thread.h"
-
-#include "content/gpu/gpu_child_thread.h"
-#include "content/gpu/gpu_process.h"
-
-namespace content {
-
-GpuMainThread::GpuMainThread(const std::string& channel_id)
-    : base::Thread("Chrome_InProcGpuThread"),
-      channel_id_(channel_id),
-      gpu_process_(NULL) {
-}
-
-GpuMainThread::~GpuMainThread() {
-  Stop();
-}
-
-void GpuMainThread::Init() {
-  gpu_process_ = new GpuProcess();
-  // The process object takes ownership of the thread object, so do not
-  // save and delete the pointer.
-  gpu_process_->set_main_thread(new GpuChildThread(channel_id_));
-}
-
-void GpuMainThread::CleanUp() {
-  delete gpu_process_;
-}
-
-base::Thread* CreateGpuMainThread(const std::string& channel_id) {
-  return new GpuMainThread(channel_id);
-}
-
-}  // namespace content