Bug 1211635 - Popups should be treated as top-level windows, allowing XUL alerts translucency. r=MattN r=roc

--HG--
extra : rebase_source : 9fd3b1eb57b54fcb33b0012cbd7555674eb9b913

layout/generic/nsContainerFrame.cpp

@@ -594,8 +594,8 @@ IsTopLevelWidget(nsIWidget* aWidget)
   nsWindowType windowType = aWidget->WindowType();
   return windowType == eWindowType_toplevel ||
          windowType == eWindowType_dialog ||
+         windowType == eWindowType_popup ||
          windowType == eWindowType_sheet;
-  // popups aren't toplevel so they're not handled here
 }
 
 void

toolkit/themes/windows/global/alerts/alert.css

@@ -10,6 +10,11 @@
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 
+#alertNotification {
+  -moz-appearance: none;
+  background: transparent;
+}
+
 #alertBox {
   border: 1px solid ThreeDShadow;
   border-radius: 1px;