Content Modularization Project: Move Wake Lock to //device

content/browser/wake_lock/wake_lock_service_impl.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_impl.h"
-
-#include <utility>
-
-#include "content/browser/wake_lock/wake_lock_service_context.h"
-
-namespace content {
-
-WakeLockServiceImpl::WakeLockServiceImpl(
-    base::WeakPtr<WakeLockServiceContext> context)
-    : context_(context), wake_lock_request_outstanding_(false) {}
-
-WakeLockServiceImpl::~WakeLockServiceImpl() {
-  CancelWakeLock();
-}
-
-void WakeLockServiceImpl::RequestWakeLock() {
-  if (!context_ || wake_lock_request_outstanding_)
-    return;
-
-  wake_lock_request_outstanding_ = true;
-  context_->RequestWakeLock();
-}
-
-void WakeLockServiceImpl::CancelWakeLock() {
-  if (!context_ || !wake_lock_request_outstanding_)
-    return;
-
-  wake_lock_request_outstanding_ = false;
-  context_->CancelWakeLock();
-}
-
-}  // namespace content