Add OBB mounter Mojo interface

components/arc/obb_mounter/arc_obb_mounter_bridge.cc

Index: components/arc/obb_mounter/arc_obb_mounter_bridge.cc
diff --git a/components/arc/obb_mounter/arc_obb_mounter_bridge.cc b/components/arc/obb_mounter/arc_obb_mounter_bridge.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c32018cfd905289228491e75c9f1628c55538f8b
--- /dev/null
+++ b/components/arc/obb_mounter/arc_obb_mounter_bridge.cc
@@ -0,0 +1,44 @@
+// 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.
+
+#include "components/arc/obb_mounter/arc_obb_mounter_bridge.h"
+
+#include "base/logging.h"
+#include "components/arc/arc_bridge_service.h"
+
+namespace arc {
+
+ArcObbMounterBridge::ArcObbMounterBridge(ArcBridgeService* bridge_service)
+    : ArcService(bridge_service),
+      binding_(this) {
+  arc_bridge_service()->AddObserver(this);
+}
+
+ArcObbMounterBridge::~ArcObbMounterBridge() {
+  arc_bridge_service()->RemoveObserver(this);
+}
+
+void ArcObbMounterBridge::OnObbMounterInstanceReady() {
+  mojom::ObbMounterInstance* obb_mounter_instance =
+      arc_bridge_service()->obb_mounter_instance();
+  obb_mounter_instance->Init(binding_.CreateInterfacePtrAndBind());
+}
+
+void ArcObbMounterBridge::MountObb(const mojo::String& obb_file,
+                                   const mojo::String& target_path,
+                                   int32_t owner_gid,
+                                   const MountObbCallback& callback) {
+  // TODO(hashimoto): Implement this. crbug.com/613480
+  NOTIMPLEMENTED();
+  callback.Run(false);
+}
+
+void ArcObbMounterBridge::UnmountObb(const mojo::String& target_path,
+                                     const UnmountObbCallback& callback) {
+  // TODO(hashimoto): Implement this. crbug.com/613480
+  NOTIMPLEMENTED();
+  callback.Run(false);
+}
+
+}  // namespace arc