MacViews: Implement event monitoring for a specific window (Reland)

chrome/browser/ui/views/location_bar/zoom_bubble_view.cc

Index: chrome/browser/ui/views/location_bar/zoom_bubble_view.cc
diff --git a/chrome/browser/ui/views/location_bar/zoom_bubble_view.cc b/chrome/browser/ui/views/location_bar/zoom_bubble_view.cc
index c174f4d527384ab3d7b9a0100fe49d085a5266a7..354d3918d17442d49c7320a612471e86a1319395 100644
--- a/chrome/browser/ui/views/location_bar/zoom_bubble_view.cc
+++ b/chrome/browser/ui/views/location_bar/zoom_bubble_view.cc
@@ -93,7 +93,7 @@ void ZoomBubbleView::ShowBubble(content::WebContents* web_contents,
 
   // If we do not have an anchor view, parent the bubble to the content area.
   if (!anchor_to_view)
-    zoom_bubble_->set_parent_window(web_contents->GetTopLevelNativeWindow());
+    zoom_bubble_->set_parent_window(web_contents->GetNativeView());
 
   views::BubbleDelegateView::CreateBubble(zoom_bubble_);