Bug 514648 - Non-resizable windows don't have resizers, even though -[NSWindow showsResizeIndicator] pretends they do. r=josh

--HG--
extra : rebase_source : fa03586a85d48a1ef5dd6db4ac8aecaf81477216

widget/src/cocoa/nsChildView.mm

@@ -1182,7 +1182,8 @@ PRBool nsChildView::ShowsResizeIndicator(nsIntRect* aResizerRect)
   while ((superView = [topLevelView superview]))
     topLevelView = superView;
 
-  if (![[topLevelView window] showsResizeIndicator])
+  if (![[topLevelView window] showsResizeIndicator] ||
+      !([[topLevelView window] styleMask] & NSResizableWindowMask))
     return PR_FALSE;
 
   if (aResizerRect) {