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

chrome/browser/signin/easy_unlock_service_factory.h

Index: chrome/browser/signin/easy_unlock_service_factory.h
diff --git a/chrome/browser/signin/easy_unlock_service_factory.h b/chrome/browser/signin/easy_unlock_service_factory.h
index 7f95cdc539a3aba51bf4c836975ad893a09e76df..640967a8ba662cacd5bb25adb47c75c009f23846 100644
--- a/chrome/browser/signin/easy_unlock_service_factory.h
+++ b/chrome/browser/signin/easy_unlock_service_factory.h
@@ -27,15 +27,15 @@ class EasyUnlockServiceFactory : public BrowserContextKeyedServiceFactory {
   friend struct DefaultSingletonTraits<EasyUnlockServiceFactory>;
 
   EasyUnlockServiceFactory();
-  virtual ~EasyUnlockServiceFactory();
+  ~EasyUnlockServiceFactory() override;
 
   // BrowserContextKeyedServiceFactory:
-  virtual KeyedService* BuildServiceInstanceFor(
+  KeyedService* BuildServiceInstanceFor(
       content::BrowserContext* context) const override;
-  virtual content::BrowserContext* GetBrowserContextToUse(
+  content::BrowserContext* GetBrowserContextToUse(
       content::BrowserContext* context) const override;
-  virtual bool ServiceIsCreatedWithBrowserContext() const override;
-  virtual bool ServiceIsNULLWhileTesting() const override;
+  bool ServiceIsCreatedWithBrowserContext() const override;
+  bool ServiceIsNULLWhileTesting() const override;
 
   DISALLOW_COPY_AND_ASSIGN(EasyUnlockServiceFactory);
 };