Standardize usage of virtual/override/final in chrome/browser/sync/

chrome/browser/sync/sync_ui_util_unittest.cc

Index: chrome/browser/sync/sync_ui_util_unittest.cc
diff --git a/chrome/browser/sync/sync_ui_util_unittest.cc b/chrome/browser/sync/sync_ui_util_unittest.cc
index ff45e63d6842f36800b9cce01684369829ad4129..212e7be80e6e2da38341a0b5efceb70fc5b6465e 100644
--- a/chrome/browser/sync/sync_ui_util_unittest.cc
+++ b/chrome/browser/sync/sync_ui_util_unittest.cc
@@ -181,12 +181,9 @@ class FakeSigninManagerForSyncUIUtilTest : public FakeSigninManagerBase {
     Initialize(NULL);
   }
 
-  virtual ~FakeSigninManagerForSyncUIUtilTest() {
-  }
+  ~FakeSigninManagerForSyncUIUtilTest() override {}
 
-  virtual bool AuthInProgress() const override {
-    return auth_in_progress_;
-  }
+  bool AuthInProgress() const override { return auth_in_progress_; }
 
   void set_auth_in_progress() {
     auth_in_progress_ = true;