Revert of Converts chrome to aura-mus

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 a8c56d501c217a0023e1296a765dd1b53617ba13..6d50ed29f109726d5c4f31ede20d837701636265 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
@@ -11,7 +11,6 @@
 #include "chrome/browser/chrome_browser_main_extra_parts.h"
 
 class CastConfigClientMediaRouter;
-class ChromeBrowserMainExtraPartsViews;
 class ChromeLauncherControllerMus;
 class ChromeNewWindowClient;
 class ImmersiveContextMus;
@@ -24,8 +23,7 @@
 
 class ChromeBrowserMainExtraPartsAsh : public ChromeBrowserMainExtraParts {
  public:
-  explicit ChromeBrowserMainExtraPartsAsh(
-      ChromeBrowserMainExtraPartsViews* extra_parts_views);
+  ChromeBrowserMainExtraPartsAsh();
   ~ChromeBrowserMainExtraPartsAsh() override;
 
   // Overridden from ChromeBrowserMainExtraParts:
@@ -34,8 +32,6 @@
   void PostMainMessageLoopRun() override;
 
  private:
-  ChromeBrowserMainExtraPartsViews* extra_parts_views_;
-
   std::unique_ptr<ChromeLauncherControllerMus> chrome_launcher_controller_mus_;
   std::unique_ptr<CastConfigClientMediaRouter> cast_config_client_media_router_;
   std::unique_ptr<MediaClient> media_client_;