Device Service: Decouple Wake Lock from //content

device/wake_lock/wake_lock_context_provider.h

+// Copyright 2017 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_CONTEXT_PROVIDER_H_
+#define DEVICE_WAKE_LOCK_WAKE_LOCK_CONTEXT_PROVIDER_H_
+
+#include "base/sequenced_task_runner.h"
+#include "device/wake_lock/public/interfaces/wake_lock_context.mojom.h"
+#include "device/wake_lock/public/interfaces/wake_lock_context_provider.mojom.h"
+#include "device/wake_lock/wake_lock_service_context.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "ui/gfx/native_widget_types.h"
+
+namespace device {
+
+// Serves requests for WakeLockContext connections.
+class WakeLockContextProvider : public mojom::WakeLockContextProvider {
+ public:
+  WakeLockContextProvider(
+      scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
+      const WakeLockContextCallback& native_view_getter);
+  ~WakeLockContextProvider() override;
+
+  static void Create(
+      mojom::WakeLockContextProviderRequest request,
+      scoped_refptr<base::SingleThreadTaskRunner> file_task_runner,
+      const WakeLockContextCallback& native_view_getter);
+
+  // mojom::WakeLockContextProvider:
+  void GetContext(
+      int context_id,
+      mojo::InterfaceRequest<mojom::WakeLockContext> request) override;
+
+ private:
+  scoped_refptr<base::SingleThreadTaskRunner> file_task_runner_;
+  WakeLockContextCallback native_view_getter_;
+
+  DISALLOW_COPY_AND_ASSIGN(WakeLockContextProvider);
+};
+
+}  // namespace device
+
+#endif  // DEVICE_WAKE_LOCK_WAKE_LOCK_CONTEXT_PROVIDER_H_