Revert of ChromeOS: Per-user time zone: refactor tests first.

chrome/browser/extensions/test_extension_system.h

Index: chrome/browser/extensions/test_extension_system.h
diff --git a/chrome/browser/extensions/test_extension_system.h b/chrome/browser/extensions/test_extension_system.h
index 6b1c8008defe0ea2ed56e62cb12eadd7316136cc..0a54e6c788c65edd0fb8a64481f71c4f3ac4ff9f 100644
--- a/chrome/browser/extensions/test_extension_system.h
+++ b/chrome/browser/extensions/test_extension_system.h
@@ -9,10 +9,6 @@
 
 #include "extensions/browser/extension_system.h"
 #include "extensions/common/one_shot_event.h"
-
-#if defined(OS_CHROMEOS)
-#include "chrome/browser/chromeos/login/users/scoped_test_user_manager.h"
-#endif
 
 class Profile;
 class TestingValueStore;
@@ -95,10 +91,6 @@
   std::unique_ptr<QuotaService> quota_service_;
   std::unique_ptr<AppSorting> app_sorting_;
   OneShotEvent ready_;
-
-#if defined(OS_CHROMEOS)
-  std::unique_ptr<chromeos::ScopedTestUserManager> test_user_manager_;
-#endif
 };
 
 }  // namespace extensions