Revert "GTTF: Add missing virtual destructors."

chrome/browser/signin/signin_internals_util.h

Index: chrome/browser/signin/signin_internals_util.h
diff --git a/chrome/browser/signin/signin_internals_util.h b/chrome/browser/signin/signin_internals_util.h
index b176f92f131532769dadc8fdcae0fe8bfee2a9e2..9930c96b1e271c94065a1dfed060ee62a06e9957 100644
--- a/chrome/browser/signin/signin_internals_util.h
+++ b/chrome/browser/signin/signin_internals_util.h
@@ -125,8 +125,6 @@ struct SigninStatus {
 // An Observer class for authentication and token diagnostic information.
 class SigninDiagnosticsObserver {
  public:
-  virtual ~SigninDiagnosticsObserver() {}
-
   // Credentials and signin related changes.
   virtual void NotifySigninValueChanged(const UntimedSigninStatusField& field,
                                         const std::string& value) {}
@@ -140,6 +138,7 @@ class SigninDiagnosticsObserver {
   virtual void NotifyTokenReceivedFailure(const std::string& token_name,
                                           const std::string& error) {}
   virtual void NotifyClearStoredToken(const std::string& token_name) {}
+
 };
 
 } // namespace