cros: Move IsUserSupervised and IsUserChild off SystemTrayDelegate

ash/test/test_system_tray_delegate.h

Index: ash/test/test_system_tray_delegate.h
diff --git a/ash/test/test_system_tray_delegate.h b/ash/test/test_system_tray_delegate.h
index 53620121724ccbe599634e159397a88a165f495e..8213bb38ae48d91a4127ccbcf3a95e2de3b35448 100644
--- a/ash/test/test_system_tray_delegate.h
+++ b/ash/test/test_system_tray_delegate.h
@@ -41,7 +41,6 @@ class TestSystemTrayDelegate : public SystemTrayDelegate {
   // SystemTrayDelegate:
   LoginStatus GetUserLoginStatus() const override;
   std::string GetSupervisedUserManager() const override;
-  bool IsUserSupervised() const override;
   bool GetSessionStartTime(base::TimeTicks* session_start_time) override;
   bool GetSessionLengthLimit(base::TimeDelta* session_length_limit) override;
   void GetCurrentIME(IMEInfo* info) override;
@@ -57,20 +56,6 @@ class TestSystemTrayDelegate : public SystemTrayDelegate {
   DISALLOW_COPY_AND_ASSIGN(TestSystemTrayDelegate);
 };
 
-// Changes the initial login status before TestSystemTrayDelegate is created.
-// Allows testing the case when chrome is restarted right after login (such as
-// when a flag is set).
-class ScopedInitialLoginStatus {
- public:
-  explicit ScopedInitialLoginStatus(LoginStatus status);
-  ~ScopedInitialLoginStatus();
-
- private:
-  LoginStatus old_status_;
-
-  DISALLOW_COPY_AND_ASSIGN(ScopedInitialLoginStatus);
-};
-
 }  // namespace test
 }  // namespace ash