add voice interaction shortcut.

components/arc/arc_bridge_service.h

Index: components/arc/arc_bridge_service.h
diff --git a/components/arc/arc_bridge_service.h b/components/arc/arc_bridge_service.h
index 60abe9d52dc3dcc9bf648fe13476f18ad6a53d45..0402f09935ab50b6b6be90820a64dbbc0c621ced 100644
--- a/components/arc/arc_bridge_service.h
+++ b/components/arc/arc_bridge_service.h
@@ -38,6 +38,7 @@ class ProcessInstance;
 class StorageManagerInstance;
 class TtsInstance;
 class VideoInstance;
+class VoiceInteractionFrameworkInstance;
 class WallpaperInstance;
 
 }  // namespace mojom
@@ -91,6 +92,10 @@ class ArcBridgeService {
   }
   InstanceHolder<mojom::TtsInstance>* tts() { return &tts_; }
   InstanceHolder<mojom::VideoInstance>* video() { return &video_; }
+  InstanceHolder<mojom::VoiceInteractionFrameworkInstance>*
+  voice_interaction_framework() {
+    return &voice_interaction_framework_;
+  }
   InstanceHolder<mojom::WallpaperInstance>* wallpaper() { return &wallpaper_; }
 
  private:
@@ -118,6 +123,8 @@ class ArcBridgeService {
   InstanceHolder<mojom::StorageManagerInstance> storage_manager_;
   InstanceHolder<mojom::TtsInstance> tts_;
   InstanceHolder<mojom::VideoInstance> video_;
+  InstanceHolder<mojom::VoiceInteractionFrameworkInstance>
+      voice_interaction_framework_;
   InstanceHolder<mojom::WallpaperInstance> wallpaper_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcBridgeService);