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

chrome/browser/ui/webui/ntp/most_visited_browsertest.cc

Index: chrome/browser/ui/webui/ntp/most_visited_browsertest.cc
diff --git a/chrome/browser/ui/webui/ntp/most_visited_browsertest.cc b/chrome/browser/ui/webui/ntp/most_visited_browsertest.cc
index ca4d5d39b838bf18e00c35c4831e9dd5ddbac3f1..75e5f32540b7b04afd24dcd87721c2ab87d97dd3 100644
--- a/chrome/browser/ui/webui/ntp/most_visited_browsertest.cc
+++ b/chrome/browser/ui/webui/ntp/most_visited_browsertest.cc
@@ -12,12 +12,12 @@ class MostVisitedWebUITest : public WebUIBrowserTest {
  public:
   virtual ~MostVisitedWebUITest() {}
 
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     WebUIBrowserTest::SetUpInProcessBrowserTestFixture();
     AddLibrary(base::FilePath(FILE_PATH_LITERAL("most_visited_page_test.js")));
   }
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     WebUIBrowserTest::SetUpOnMainThread();
     ui_test_utils::NavigateToURL(browser(), GURL(chrome::kChromeUINewTabURL));
   }