replace OVERRIDE and FINAL with override and final in chrome/browser/extensions/

chrome/browser/extensions/updater/extension_cache_fake.h

Index: chrome/browser/extensions/updater/extension_cache_fake.h
diff --git a/chrome/browser/extensions/updater/extension_cache_fake.h b/chrome/browser/extensions/updater/extension_cache_fake.h
index 2c9b3ca74caecb71b8f948f9a1f3eccbeb28275c..6a6869a03ac946e98ce98aa32ccbc58324c4e038 100644
--- a/chrome/browser/extensions/updater/extension_cache_fake.h
+++ b/chrome/browser/extensions/updater/extension_cache_fake.h
@@ -20,16 +20,16 @@ class ExtensionCacheFake : public ExtensionCache {
   virtual ~ExtensionCacheFake();
 
   // Implementation of ExtensionCache.
-  virtual void Start(const base::Closure& callback) OVERRIDE;
-  virtual void Shutdown(const base::Closure& callback) OVERRIDE;
-  virtual void AllowCaching(const std::string& id) OVERRIDE;
+  virtual void Start(const base::Closure& callback) override;
+  virtual void Shutdown(const base::Closure& callback) override;
+  virtual void AllowCaching(const std::string& id) override;
   virtual bool GetExtension(const std::string& id,
                             base::FilePath* file_path,
-                            std::string* version) OVERRIDE;
+                            std::string* version) override;
   virtual void PutExtension(const std::string& id,
                             const base::FilePath& file_path,
                             const std::string& version,
-                            const PutExtensionCallback& callback) OVERRIDE;
+                            const PutExtensionCallback& callback) override;
 
  private:
   typedef std::map<std::string, std::pair<std::string, base::FilePath> > Map;