Revert of Wake Lock API implementation (Chromium part)

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 "content/browser/wake_lock/wake_lock_service_context.h"
-
-namespace content {
-
-WakeLockServiceImpl::WakeLockServiceImpl(
-    base::WeakPtr<WakeLockServiceContext> context,
-    int frame_id,
-    mojo::InterfaceRequest<WakeLockService> request)
-    : context_(context),
-      frame_id_(frame_id),
-      binding_(this, request.Pass()) {
-}
-
-WakeLockServiceImpl::~WakeLockServiceImpl() {
-}
-
-void WakeLockServiceImpl::RequestWakeLock() {
-  if (context_)
-    context_->RequestWakeLock(frame_id_);
-}
-
-void WakeLockServiceImpl::CancelWakeLock() {
-  if (context_)
-    context_->CancelWakeLock(frame_id_);
-}
-
-}  // namespace content