Wires up immersive mode for chrome and mash

chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_ASH_CHROME_BROWSER_MAIN_EXTRA_PARTS_ASH_H_
 #define CHROME_BROWSER_UI_VIEWS_ASH_CHROME_BROWSER_MAIN_EXTRA_PARTS_ASH_H_
 
+#include <memory>
+
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "chrome/browser/chrome_browser_main_extra_parts.h"
 
+class ImmersiveContextMus;
+class ImmersiveHandlerFactoryMus;
+
 class ChromeBrowserMainExtraPartsAsh : public ChromeBrowserMainExtraParts {
  public:
   ChromeBrowserMainExtraPartsAsh();
   ~ChromeBrowserMainExtraPartsAsh() override;
 
   // Overridden from ChromeBrowserMainExtraParts:
   void PreProfileInit() override;
   void PostProfileInit() override;
   void PostMainMessageLoopRun() override;
 
  private:
+  std::unique_ptr<ImmersiveHandlerFactoryMus> immersive_handler_factory_;
+  std::unique_ptr<ImmersiveContextMus> immersive_context_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsAsh);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_ASH_CHROME_BROWSER_MAIN_EXTRA_PARTS_ASH_H_