Implement GpuArcVideoService for arc video accelerator

content/public/browser/arc_video_service.h

Index: content/public/browser/arc_video_service.h
diff --git a/content/public/browser/arc_video_service.h b/content/public/browser/arc_video_service.h
new file mode 100644
index 0000000000000000000000000000000000000000..6ca457581aa3e6ccae0f1838c5fb9c70f1022a05
--- /dev/null
+++ b/content/public/browser/arc_video_service.h
@@ -0,0 +1,20 @@
+// 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 CONTENT_PUBLIC_BROWSER_ARC_VIDEO_SERVICE_H_
+#define CONTENT_PUBLIC_BROWSER_ARC_VIDEO_SERVICE_H_
+
+#include "content/common/content_export.h"
+
+namespace arc {
+class ArcVideoService;
+}
+
+namespace content {
+
+CONTENT_EXPORT arc::ArcVideoService* CreateArcVideoService();
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_ARC_VIDEO_SERVICE_H_