When changing selected radio button with arrow keys, prevent the default action

for the key event.  Bug 253299, r=aaronl, sr=bryner


git-svn-id: svn://10.0.0.236/trunk@160329 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/html/content/src/nsHTMLInputElement.cpp

@@ -1502,6 +1502,9 @@ nsHTMLInputElement::HandleDOMEvent(nsPresContext* aPresContext,
                       rv = radioContent->HandleDOMEvent(aPresContext, &event,
                                                         nsnull, NS_EVENT_FLAG_INIT, 
                                                         &status);
+                      if (NS_SUCCEEDED(rv)) {
+                        *aEventStatus = nsEventStatus_eConsumeNoDefault;
+                      }
                     }
                   }
                 }