replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/upgrade_detector_impl_unittest.cc

Index: chrome/browser/upgrade_detector_impl_unittest.cc
diff --git a/chrome/browser/upgrade_detector_impl_unittest.cc b/chrome/browser/upgrade_detector_impl_unittest.cc
index e52949a4b93548f69a499f1b2c1098fb6a909962..e8a1ada9ed65f5684e43cf6a73aa2a5dc450d3cf 100644
--- a/chrome/browser/upgrade_detector_impl_unittest.cc
+++ b/chrome/browser/upgrade_detector_impl_unittest.cc
@@ -23,7 +23,7 @@ class TestUpgradeDetectorImpl : public UpgradeDetectorImpl {
   using UpgradeDetectorImpl::NotifyOnUpgradeWithTimePassed;
 
   // UpgradeDetector:
-  virtual void TriggerCriticalUpdate() OVERRIDE {
+  virtual void TriggerCriticalUpdate() override {
     trigger_critical_update_call_count_++;
   }
 
@@ -56,7 +56,7 @@ class TestUpgradeNotificationListener : public content::NotificationObserver {
   // content::NotificationObserver:
   virtual void Observe(int type,
                        const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE {
+                       const content::NotificationDetails& details) override {
     notifications_received_.push_back(type);
   }