Allow the Views Delegate to provide the native widget.

chrome/browser/ui/views/frame/browser_non_client_frame_view_factory_aura.cc

Index: chrome/browser/ui/views/frame/browser_non_client_frame_view_factory_aura.cc
===================================================================
--- chrome/browser/ui/views/frame/browser_non_client_frame_view_factory_aura.cc	(revision 156552)
+++ chrome/browser/ui/views/frame/browser_non_client_frame_view_factory_aura.cc	(working copy)
@@ -4,11 +4,13 @@
 
 #include "chrome/browser/ui/views/frame/browser_view.h"
 
+#include "base/command_line.h"
+#include "chrome/browser/ui/views/frame/opaque_browser_frame_view.h"
+#include "ui/views/views_switches.h"
+
 #if defined(USE_ASH)
 #include "chrome/browser/ui/views/ash/browser_non_client_frame_view_ash.h"
 #include "chrome/browser/ui/views/frame/app_non_client_frame_view_aura.h"
-#else
-#include "chrome/browser/ui/views/frame/opaque_browser_frame_view.h"
 #endif
 
 namespace chrome {
@@ -16,6 +18,10 @@
 BrowserNonClientFrameView* CreateBrowserNonClientFrameView(
     BrowserFrame* frame, BrowserView* browser_view) {
 
+#if defined(USE_AURA)
+  if (CommandLine::ForCurrentProcess()->HasSwitch(views::switches::kWinAura))
+    return new OpaqueBrowserFrameView(frame, browser_view);
+#endif
 #if defined(USE_ASH)
   // If this is an app window and it's maximized, use the special frame_view.
   if (browser_view->browser()->is_app() &&