mediaview: Register ARC documents provider file system.

chrome/browser/chromeos/arc/fileapi/arc_file_system_service.h

+// Copyright 2016 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 CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_FILE_SYSTEM_SERVICE_H_
+#define CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_FILE_SYSTEM_SERVICE_H_
+
+#include "base/macros.h"
+#include "components/arc/arc_service.h"
+#include "components/arc/common/file_system.mojom.h"
+#include "components/arc/instance_holder.h"
+
+namespace arc {
+
+class ArcBridgeService;
+
+// ArcFileSystemService registers ARC file systems to the system.
+class ArcFileSystemService
+    : public ArcService,
+      public InstanceHolder<mojom::FileSystemInstance>::Observer {

[Luis Héctor Chávez, 2016/12/19 22:37:27]

You don't seem to need this.

[Shuhei Takahashi, 2017/01/05 08:49:42]

Oops, good catch.

+ public:
+  explicit ArcFileSystemService(ArcBridgeService* bridge_service);
+  ~ArcFileSystemService() override;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ArcFileSystemService);
+};
+
+}  // namespace arc
+
+#endif  // CHROME_BROWSER_CHROMEOS_ARC_FILEAPI_ARC_FILE_SYSTEM_SERVICE_H_