Password bubble should close if user clicks on the web page.

chrome/browser/ui/passwords/manage_passwords_bubble_model.h

Index: chrome/browser/ui/passwords/manage_passwords_bubble_model.h
diff --git a/chrome/browser/ui/passwords/manage_passwords_bubble_model.h b/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
index fd06ae360a478c461643b12743e874e5ce59bb24..bd51299975367377b8e06ef1abbdc058f050512b 100644
--- a/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
+++ b/chrome/browser/ui/passwords/manage_passwords_bubble_model.h
@@ -86,6 +86,9 @@ class ManagePasswordsBubbleModel : public content::WebContentsObserver {
     return save_confirmation_link_range_;
   }
 
+  // Make the accessor public.
+  using WebContentsObserver::web_contents;
+
 #if defined(UNIT_TEST)
   // Gets and sets the reason the bubble was displayed.
   password_manager::metrics_util::UIDisplayDisposition display_disposition()