replace OVERRIDE and FINAL with override and final in athena/

athena/extensions/test/test_extensions_delegate.cc

Index: athena/extensions/test/test_extensions_delegate.cc
diff --git a/athena/extensions/test/test_extensions_delegate.cc b/athena/extensions/test/test_extensions_delegate.cc
index d22bf29430d69ebc4463bc115157bbf27aec713a..0d0740abec15e33a3aeed76da66bdb958948a3db 100644
--- a/athena/extensions/test/test_extensions_delegate.cc
+++ b/athena/extensions/test/test_extensions_delegate.cc
@@ -17,14 +17,14 @@ class TestExtensionsDelegate : public ExtensionsDelegate {
 
  private:
   // ExtensionsDelegate:
-  virtual content::BrowserContext* GetBrowserContext() const OVERRIDE {
+  virtual content::BrowserContext* GetBrowserContext() const override {
     return NULL;
   }
-  virtual const extensions::ExtensionSet& GetInstalledExtensions() OVERRIDE {
+  virtual const extensions::ExtensionSet& GetInstalledExtensions() override {
     return shell_extensions_;
   }
-  virtual bool LaunchApp(const std::string& app_id) OVERRIDE { return true; }
-  virtual bool UnloadApp(const std::string& app_id) OVERRIDE { return false; }
+  virtual bool LaunchApp(const std::string& app_id) override { return true; }
+  virtual bool UnloadApp(const std::string& app_id) override { return false; }
 
   extensions::ExtensionSet shell_extensions_;