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

chrome/browser/extensions/lazy_background_page_apitest.cc

Index: chrome/browser/extensions/lazy_background_page_apitest.cc
diff --git a/chrome/browser/extensions/lazy_background_page_apitest.cc b/chrome/browser/extensions/lazy_background_page_apitest.cc
index 945fbb7b011122cd6d89c31c9f76ee1ab6b6b3e7..ffa3c95fc80a584a699098112323eed67b8a032c 100644
--- a/chrome/browser/extensions/lazy_background_page_apitest.cc
+++ b/chrome/browser/extensions/lazy_background_page_apitest.cc
@@ -64,7 +64,7 @@ class LoadedIncognitoObserver : public extensions::ExtensionRegistryObserver {
   virtual void OnExtensionUnloaded(
       content::BrowserContext* browser_context,
       const Extension* extension,
-      extensions::UnloadedExtensionInfo::Reason reason) OVERRIDE {
+      extensions::UnloadedExtensionInfo::Reason reason) override {
     original_complete_.reset(new LazyBackgroundObserver(profile_));
     incognito_complete_.reset(
         new LazyBackgroundObserver(profile_->GetOffTheRecordProfile()));
@@ -85,7 +85,7 @@ class LazyBackgroundPageApiTest : public ExtensionApiTest {
   LazyBackgroundPageApiTest() {}
   virtual ~LazyBackgroundPageApiTest() {}
 
-  virtual void SetUpOnMainThread() OVERRIDE {
+  virtual void SetUpOnMainThread() override {
     ExtensionApiTest::SetUpOnMainThread();
     // Set shorter delays to prevent test timeouts.
     extensions::ProcessManager::SetEventPageIdleTimeForTesting(1);