Delete content::ServiceRegistry.

content/browser/wake_lock/wake_lock_service_context.cc

 // Copyright 2015 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/browser/wake_lock/wake_lock_service_context.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "build/build_config.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/render_frame_host.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/web_contents.h"
-#include "content/public/common/service_registry.h"
 #include "device/power_save_blocker/power_save_blocker.h"
 
 namespace content {
 
 WakeLockServiceContext::WakeLockServiceContext(WebContents* web_contents)
     : WebContentsObserver(web_contents), weak_factory_(this) {}
 
 WakeLockServiceContext::~WakeLockServiceContext() {}
 
 void WakeLockServiceContext::CreateService(
@@ skipping 68 matching lines @@
   if (!frames_requesting_lock_.empty()) {
     if (!wake_lock_)
       CreateWakeLock();
   } else {
     if (wake_lock_)
       RemoveWakeLock();
   }
 }
 
 }  // namespace content