Add module suffix in .mojom files for components/arc

chrome/browser/chromeos/arc/gpu_arc_video_service_host.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_GPU_ARC_VIDEO_SERVICE_HOST_H_
 #define CHROME_BROWSER_CHROMEOS_ARC_GPU_ARC_VIDEO_SERVICE_HOST_H_
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/threading/thread_checker.h"
 #include "components/arc/arc_bridge_service.h"
 #include "components/arc/arc_service.h"
 #include "components/arc/common/video.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "mojo/public/cpp/bindings/interface_ptr_info.h"
 
 namespace arc {
 
 // This class takes requests for creating channels of video accelerators from
 // arc::VideoInstance and forwards these requests to GpuArcVideoServce. It also
 // returns the created channels back to the arc::VideoInstance.
 //
 // This class is the proxy end of GpuArcVideoService and runs in the browser
 // process. The corresponding end "GpuArcVideoService" runs in the GPU process.
 class GpuArcVideoServiceHost : public arc::ArcService,
                                public arc::ArcBridgeService::Observer,
-                               public arc::VideoHost {
+                               public arc::mojom::VideoHost {
  public:
   explicit GpuArcVideoServiceHost(arc::ArcBridgeService* bridge_service);
   ~GpuArcVideoServiceHost() override;
 
   // arc::ArcBridgeService::Observer implementation.
   void OnVideoInstanceReady() override;
   void OnVideoInstanceClosed() override;
 
-  // arc::VideoHost implementation.
+  // arc::mojom::VideoHost implementation.
   void OnRequestArcVideoAcceleratorChannel(
       const OnRequestArcVideoAcceleratorChannelCallback& callback) override;
 
  private:
   void BindServiceAndCreateChannel(
       const OnRequestArcVideoAcceleratorChannelCallback& callback,
-      mojo::InterfacePtrInfo<arc::VideoHost> ptr_info);
+      mojo::InterfacePtrInfo<arc::mojom::VideoHost> ptr_info);
 
   base::ThreadChecker thread_checker_;
 
-  mojo::Binding<arc::VideoHost> binding_;
+  mojo::Binding<arc::mojom::VideoHost> binding_;
 
-  arc::VideoHostPtr service_ptr_;
+  arc::mojom::VideoHostPtr service_ptr_;
 
   base::WeakPtrFactory<GpuArcVideoServiceHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GpuArcVideoServiceHost);
 };
 
 }  // namespace arc
 
 #endif  // CHROME_BROWSER_CHROMEOS_ARC_GPU_ARC_VIDEO_SERVICE_HOST_H_