Bug 173299 change getControlleryById to getControllerById in nsIControllersInterface

r=cmanske sr=kin

content/xul/document/public/nsIControllers.idl

@@ -62,7 +62,7 @@ interface nsIControllers : nsISupports
     /*
         Get the controller specified by the given ID.
     */
-    nsIController getControlleryById(in unsigned long controllerID);
+    nsIController getControllerById(in unsigned long controllerID);
     
 	unsigned long getControllerCount();
 };

content/xul/document/src/nsXULControllers.cpp

@@ -260,9 +260,9 @@ nsXULControllers::GetControllerId(nsIController *controller, PRUint32 *_retval)
   return NS_ERROR_FAILURE;  // none found
 }
 
-/* nsIController getControlleryById (in unsigned long controllerID); */
+/* nsIController getControllerById (in unsigned long controllerID); */
 NS_IMETHODIMP
-nsXULControllers::GetControlleryById(PRUint32 controllerID, nsIController **_retval)
+nsXULControllers::GetControllerById(PRUint32 controllerID, nsIController **_retval)
 {
   NS_ENSURE_ARG_POINTER(_retval);