Revert of Move content/browser/power_save_blocker to //device/power_save_blocker

device/power_save_blocker/power_save_blocker_impl.cc

Index: device/power_save_blocker/power_save_blocker_impl.cc
diff --git a/device/power_save_blocker/power_save_blocker_impl.cc b/device/power_save_blocker/power_save_blocker_impl.cc
deleted file mode 100644
index c37e6db8c81e75c2a8e2a46a4117c36840b51231..0000000000000000000000000000000000000000
--- a/device/power_save_blocker/power_save_blocker_impl.cc
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 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 "device/power_save_blocker/power_save_blocker_impl.h"
-
-#include "build/build_config.h"
-
-namespace device {
-
-PowerSaveBlocker::~PowerSaveBlocker() {}
-
-// static
-std::unique_ptr<PowerSaveBlocker> PowerSaveBlocker::CreateWithTaskRunners(
-    PowerSaveBlocker::PowerSaveBlockerType type,
-    PowerSaveBlocker::Reason reason,
-    const std::string& description,
-    scoped_refptr<base::SequencedTaskRunner> ui_task_runner,
-    scoped_refptr<base::SingleThreadTaskRunner> blocking_task_runner) {
-  return std::unique_ptr<PowerSaveBlocker>(new PowerSaveBlockerImpl(
-      type, reason, description, ui_task_runner, blocking_task_runner));
-}
-
-}  // namespace device