Chrome-side patch for IsAppInstalled.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index a458db627b3c468e3c4e3939cdd1080a9c9f4e9c..cc3033c0fb803794abfb475b9e10f48cdc4f0212 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -74,6 +74,7 @@ namespace blink {
 class WebGeolocationClient;
 class WebMouseEvent;
 class WebContentDecryptionModule;
+class WebInstalledApp;
 class WebPresentationClient;
 class WebPushClient;
 class WebSecurityOrigin;
@@ -118,6 +119,7 @@ class DevToolsAgent;
 class DocumentState;
 class ExternalPopupMenu;
 class GeolocationDispatcher;
+class InstalledAppDispatcher;
 class ManifestManager;
 class MediaInterfaceProvider;
 class MediaStreamDispatcher;
@@ -610,6 +612,7 @@ class CONTENT_EXPORT RenderFrameImpl
                                  const blink::WebURL& url) override;
   blink::WebBluetooth* bluetooth() override;
   blink::WebUSBClient* usbClient() override;
+  blink::WebInstalledApp* installedAppClient() override;
   void checkIfAudioSinkExistsAndIsAuthorized(
       const blink::WebString& sink_id,
       const blink::WebSecurityOrigin& security_origin,
@@ -1187,6 +1190,8 @@ class CONTENT_EXPORT RenderFrameImpl
 
   scoped_ptr<blink::WebUSBClient> usb_client_;
 
+  scoped_ptr<InstalledAppDispatcher> installed_app_client_;
+
   // Manages play, pause notifications for WebMediaPlayer implementations; its
   // lifetime is tied to the RenderFrame via the RenderFrameObserver interface.
   media::RendererWebMediaPlayerDelegate* media_player_delegate_;