Wires up immersive mode for chrome and mash

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

Index: chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h
diff --git a/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h b/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h
index 3d99d8da91ab9d6bbab5ecb5c0f2022c6dfc6b60..95ed2cce4068451130cb6a670c349c87023a9340 100644
--- a/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h
+++ b/chrome/browser/ui/views/ash/chrome_browser_main_extra_parts_ash.h
@@ -5,10 +5,15 @@
 #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();
@@ -20,6 +25,9 @@ class ChromeBrowserMainExtraPartsAsh : public ChromeBrowserMainExtraParts {
   void PostMainMessageLoopRun() override;
 
  private:
+  std::unique_ptr<ImmersiveHandlerFactoryMus> immersive_handler_factory_;
+  std::unique_ptr<ImmersiveContextMus> immersive_context_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainExtraPartsAsh);
 };