Enable immersive fullscreen on Windows Ash.

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

Index: chrome/browser/ui/views/frame/immersive_mode_controller_factory.cc
diff --git a/chrome/browser/ui/views/frame/immersive_mode_controller_factory.cc b/chrome/browser/ui/views/frame/immersive_mode_controller_factory.cc
index ad89c60553b823994f018526b81baa63397c81ea..f69b9eba5ea0662ff02f0d118dc7ab0cfbdf8106 100644
--- a/chrome/browser/ui/views/frame/immersive_mode_controller_factory.cc
+++ b/chrome/browser/ui/views/frame/immersive_mode_controller_factory.cc
@@ -2,18 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
-
-#include "chrome/browser/ui/views/frame/immersive_mode_controller_stub.h"
-
-#if defined(OS_CHROMEOS)
+#if defined(USE_ASH)
 #include "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
-#endif  // defined(OS_CHROMEOS)
+#else
+#include "chrome/browser/ui/views/frame/immersive_mode_controller_stub.h"
+#endif
 
 namespace chrome {
 
 ImmersiveModeController* CreateImmersiveModeController() {
-#if defined(OS_CHROMEOS)
+#if defined(USE_ASH)
   return new ImmersiveModeControllerAsh();
 #else
   return new ImmersiveModeControllerStub();