Reland of 'Move content/browser/power_save_blocker to //device/power_save_blocker'

content/browser/power_save_blocker_factory.cc

 // Copyright 2016 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/public/browser/power_save_blocker_factory.h"
+#include "content/browser/power_save_blocker_factory.h"
 
 #include "base/threading/sequenced_worker_pool.h"
 #include "content/public/browser/browser_thread.h"
 
 namespace content {
 
-std::unique_ptr<PowerSaveBlocker> CreatePowerSaveBlocker(
-    PowerSaveBlocker::PowerSaveBlockerType type,
-    PowerSaveBlocker::Reason reason,
+std::unique_ptr<device::PowerSaveBlocker> CreatePowerSaveBlocker(
+    device::PowerSaveBlocker::PowerSaveBlockerType type,
+    device::PowerSaveBlocker::Reason reason,
     const std::string& description) {
-  return PowerSaveBlocker::CreateWithTaskRunners(
+  return device::PowerSaveBlocker::CreateWithTaskRunners(
       type, reason, description,
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE));
 }
 
 }  // namespace content