Fix Z-order for a bubble when it appears for inactive window.

ui/views/bubble/bubble_delegate.cc

Index: ui/views/bubble/bubble_delegate.cc
diff --git a/ui/views/bubble/bubble_delegate.cc b/ui/views/bubble/bubble_delegate.cc
index 438b4073ac50c76d65ac3c40795f92290c8305c0..fd0f112ef32a2a2383c772087dffc15ef1bc538f 100644
--- a/ui/views/bubble/bubble_delegate.cc
+++ b/ui/views/bubble/bubble_delegate.cc
@@ -40,6 +40,8 @@ Widget* CreateBubbleWidget(BubbleDelegateView* bubble) {
       Widget::InitParams::ACTIVATABLE_YES : Widget::InitParams::ACTIVATABLE_NO;
   bubble->OnBeforeBubbleWidgetInit(&bubble_params, bubble_widget);
   bubble_widget->Init(bubble_params);
+  if (bubble_params.parent)
+    bubble_widget->StackAbove(bubble_params.parent);
   return bubble_widget;
 }