Show extension tabs in task manager and correctly label apps.

chrome/browser/extensions/extensions_service.h

Index: chrome/browser/extensions/extensions_service.h
diff --git a/chrome/browser/extensions/extensions_service.h b/chrome/browser/extensions/extensions_service.h
index c8310392643e35d80b1080ea538ff231283f4a68..656471237a0895d6590d332f95340ed2db8c9669 100644
--- a/chrome/browser/extensions/extensions_service.h
+++ b/chrome/browser/extensions/extensions_service.h
@@ -143,6 +143,9 @@ class ExtensionsService
   // Used to test if we need to show the "Loading" dialog for themes.
   static bool IsDownloadFromMiniGallery(const GURL& download_url);
 
+  // Returns whether the URL is from either a hosted or packaged app.
+  bool IsInstalledApp(const GURL& url);
+
   // Attempts to uninstall an extension from a given ExtensionService. Returns
   // true iff the target extension exists.
   static bool UninstallExtensionHelper(ExtensionsService* extensions_service,