Bug 166240 part.7 Add support KeyboardEvent.location on Gonk r=smaug

widget/gonk/nsAppShell.cpp

@@ -217,6 +217,7 @@ sendKeyEventWithMsg(PRUint32 keyCode,
 {
     nsKeyEvent event(true, msg, NULL);
     event.keyCode = keyCode;
+    event.location = nsIDOMKeyEvent::DOM_KEY_LOCATION_MOBILE;
     event.time = timeMs;
     event.flags |= flags;
     return nsWindow::DispatchInputEvent(event);