Remove dead code for gpu blacklist auto-update.

chrome/browser/web_resource/gpu_blacklist_updater.h

Index: chrome/browser/web_resource/gpu_blacklist_updater.h
===================================================================
--- chrome/browser/web_resource/gpu_blacklist_updater.h	(revision 112558)
+++ chrome/browser/web_resource/gpu_blacklist_updater.h	(working copy)
@@ -1,34 +0,0 @@
-// Copyright (c) 2011 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 CHROME_BROWSER_WEB_RESOURCE_GPU_BLACKLIST_UPDATER_H_
-#define CHROME_BROWSER_WEB_RESOURCE_GPU_BLACKLIST_UPDATER_H_
-#pragma once
-
-#include "chrome/browser/web_resource/web_resource_service.h"
-
-class GpuBlacklistUpdater : public WebResourceService {
- public:
-  GpuBlacklistUpdater();
-
-  // Initialize GpuDataManager.
-  static void Setup();
-
-  // URL of the up-to-date gpu_blacklist.json file.
-  static const char* kDefaultGpuBlacklistURL;
-
- private:
-  virtual ~GpuBlacklistUpdater();
-
-  virtual void Unpack(const base::DictionaryValue& parsed_json) OVERRIDE;
-
-  void InitializeGpuBlacklist();
-
-  void UpdateGpuBlacklist(
-      const base::DictionaryValue& gpu_blacklist_cache, bool preliminary);
-
-  DISALLOW_COPY_AND_ASSIGN(GpuBlacklistUpdater);
-};
-
-#endif  // CHROME_BROWSER_WEB_RESOURCE_GPU_BLACKLIST_UPDATER_H_