Rationalize WakeLock naming conventions

device/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 "device/wake_lock/wake_lock_service_context.h"
-
-#include <utility>
-
-#include "device/wake_lock/wake_lock_service_impl.h"
-
-namespace device {
-
-const int WakeLockServiceContext::WakeLockInvalidContextId = -1;
-
-WakeLockServiceContext::WakeLockServiceContext(
-    int context_id,
-    scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
-    const WakeLockContextCallback& native_view_getter)
-    : file_task_runner_(std::move(file_task_runner)),
-      context_id_(context_id),
-      native_view_getter_(native_view_getter) {}
-
-WakeLockServiceContext::~WakeLockServiceContext() {}
-
-void WakeLockServiceContext::GetWakeLock(
-    mojom::WakeLockType type,
-    mojom::WakeLockReason reason,
-    const std::string& description,
-    mojom::WakeLockServiceRequest request) {
-  // WakeLockServiceImpl owns itself.
-  new WakeLockServiceImpl(std::move(request), type, reason, description,
-                          context_id_, native_view_getter_, file_task_runner_);
-}
-
-}  // namespace device