Replace OVERRIDE and FINAL with override and final in content/public/[a-s]*

content/public/test/test_browser_thread.cc

Index: content/public/test/test_browser_thread.cc
diff --git a/content/public/test/test_browser_thread.cc b/content/public/test/test_browser_thread.cc
index b4fc13278c71bea553787841db7801be55ec8c5d..ac3311c497128ef36512a654b6630be649006b41 100644
--- a/content/public/test/test_browser_thread.cc
+++ b/content/public/test/test_browser_thread.cc
@@ -27,12 +27,12 @@ class TestBrowserThreadImpl : public BrowserThreadImpl {
     Stop();
   }
 
-  virtual void Init() OVERRIDE {
+  virtual void Init() override {
     notification_service_ = new NotificationServiceImpl;
     BrowserThreadImpl::Init();
   }
 
-  virtual void CleanUp() OVERRIDE {
+  virtual void CleanUp() override {
     delete notification_service_;
     notification_service_ = NULL;
     BrowserThreadImpl::CleanUp();