Bug 397614 - BrowserGlue and PlacesTransactionsService don't need to declare nsISupports in their QIs. r=gavin, a=mconnor

browser/components/nsBrowserGlue.js

@@ -401,7 +401,7 @@ BrowserGlue.prototype = {
   classID:          Components.ID("{eab9012e-5f74-4cbc-b2b5-a590235513cc}"),
   contractID:       "@mozilla.org/browser/browserglue;1",
 
-  QueryInterface : XPCOMUtils.generateQI([Ci.nsIObserver, Ci.nsISupports,
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIObserver,
                                          Ci.nsISupportsWeakReference,
                                          Ci.nsIBrowserGlue]),
 

browser/components/places/src/nsPlacesTransactionsService.js

@@ -63,8 +63,7 @@ placesTransactionsService.prototype = {
   classID: CLASS_ID,
   contractID: CONTRACT_ID,
 
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsIPlacesTransactionsService,
-                                         Ci.nsISupports]),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsIPlacesTransactionsService]),
 
   aggregateTransactions: function placesAggrTransactions(name, transactions) {
     return new placesAggregateTransactions(name, transactions);
@@ -179,7 +178,7 @@ placesBaseTransaction.prototype = {
   },
 
   // nsISupports
-  QueryInterface: XPCOMUtils.generateQI([Ci.nsITransaction, Ci.nsISupports]),
+  QueryInterface: XPCOMUtils.generateQI([Ci.nsITransaction]),
 };
 
 function placesAggregateTransactions(name, transactions) {