Generalize the API of WakeLockContext mojo interface.

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 {
 
+class PowerSaveBlocker;
+
 // 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::WakeLockServiceRequest request) override;
+  void GetWakeLock(device::PowerSaveBlocker::PowerSaveBlockerType type,
+                   device::PowerSaveBlocker::Reason reason,
+                   const std::string& description,
+                   mojom::WakeLockServiceRequest request) override;
 
  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_