Rationalize WakeLock naming conventions

device/wake_lock/wake_lock_service_context.h

-// 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.
-
-#ifndef DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
-#define DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_
-
-#include <memory>
-#include <utility>
-
-#include "base/callback.h"
-#include "base/memory/ref_counted.h"
-#include "base/single_thread_task_runner.h"
-#include "device/wake_lock/public/interfaces/wake_lock_context.mojom.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace device {
-
-// Callback that maps a context ID to the NativeView associated with
-// that context. This callback is provided to the Device Service by its
-// embedder.
-using WakeLockContextCallback = base::Callback<gfx::NativeView(int)>;
-
-// Serves requests for WakeLockService connections within a given context.
-class WakeLockServiceContext : public mojom::WakeLockContext {
- public:
-  WakeLockServiceContext(
-      int context_id,
-      scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
-      const WakeLockContextCallback& native_view_getter);
-  ~WakeLockServiceContext() override;
-
-  // mojom::WakeLockContext:
-  void GetWakeLock(mojom::WakeLockType type,
-                   mojom::WakeLockReason reason,
-                   const std::string& description,
-                   mojom::WakeLockServiceRequest request) override;
-
-  static const int WakeLockInvalidContextId;
-
- private:
-  scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
-  int context_id_;
-  WakeLockContextCallback native_view_getter_;
-
-  DISALLOW_COPY_AND_ASSIGN(WakeLockServiceContext);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_WAKE_LOCK_WAKE_LOCK_SERVICE_CONTEXT_H_