Wires up immersive mode for chrome and mash

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // 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_stub.h"
 
 #if defined(USE_ASH)
-#include "chrome/browser/ui/ash/ash_util.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller_ash.h"
 #endif
 
 namespace chrome {
 
 ImmersiveModeController* CreateImmersiveModeController() {
 #if defined(USE_ASH)
-  if (!IsRunningInMash())
-    return new ImmersiveModeControllerAsh();
-
-  // TODO: http://crbug.com/548435
-  NOTIMPLEMENTED();
+  return new ImmersiveModeControllerAsh();
+#else
+  return new ImmersiveModeControllerStub();
 #endif  // USE_ASH
-  return new ImmersiveModeControllerStub();
 }
 
 }  // namespace chrome