mash: Place views Wi-Fi network config dialogs in correct window parent

chrome/browser/ui/views/chrome_views_delegate.cc

Index: chrome/browser/ui/views/chrome_views_delegate.cc
diff --git a/chrome/browser/ui/views/chrome_views_delegate.cc b/chrome/browser/ui/views/chrome_views_delegate.cc
index 470b548cbae0b6c2a37696002827a6ad579ff9d6..2055136d836a52a5e5eb585bdb92663147e3a583 100644
--- a/chrome/browser/ui/views/chrome_views_delegate.cc
+++ b/chrome/browser/ui/views/chrome_views_delegate.cc
@@ -413,6 +413,11 @@ void ChromeViewsDelegate::OnBeforeWidgetInit(
 #endif  // USE_AURA
 
 #if defined(OS_CHROMEOS) || defined(USE_ASH)
+  // Mash lets the window server decide the default parent and default display
+  // for new widgets.
+  if (chrome::IsRunningInMash())
+    return;
+
   // When we are doing straight chromeos builds, we still need to handle the
   // toplevel window case.
   // There may be a few remaining widgets in Chrome OS that are not top level,