Standardize usage of virtual/override/final in chrome/

chrome/test/base/chrome_render_view_test.h

Index: chrome/test/base/chrome_render_view_test.h
diff --git a/chrome/test/base/chrome_render_view_test.h b/chrome/test/base/chrome_render_view_test.h
index c00cbb5a53d7c13fe170742aa90b20692a838b8c..e2838366d58382cd5156455cf33f7b4f3f04a7ed 100644
--- a/chrome/test/base/chrome_render_view_test.h
+++ b/chrome/test/base/chrome_render_view_test.h
@@ -30,10 +30,9 @@ class ChromeRenderViewTest : public content::RenderViewTest {
   // testing::Test
   virtual void SetUp() override;
   virtual void TearDown() override;
-  virtual content::ContentClient* CreateContentClient() override;
-  virtual content::ContentBrowserClient* CreateContentBrowserClient() override;
-  virtual content::ContentRendererClient*
-      CreateContentRendererClient() override;
+  content::ContentClient* CreateContentClient() override;
+  content::ContentBrowserClient* CreateContentBrowserClient() override;
+  content::ContentRendererClient* CreateContentRendererClient() override;
 
 #if defined(ENABLE_EXTENSIONS)
   scoped_ptr<extensions::DispatcherDelegate> extension_dispatcher_delegate_;