Standardize usage of virtual/override/final specifiers.

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 e2838366d58382cd5156455cf33f7b4f3f04a7ed..c2e06a7c514363f54a7592ce0b93a128225b0f33 100644
--- a/chrome/test/base/chrome_render_view_test.h
+++ b/chrome/test/base/chrome_render_view_test.h
@@ -24,12 +24,12 @@ class DispatcherDelegate;
 class ChromeRenderViewTest : public content::RenderViewTest {
  public:
   ChromeRenderViewTest();
-  virtual ~ChromeRenderViewTest();
+  ~ChromeRenderViewTest() override;
 
  protected:
   // testing::Test
-  virtual void SetUp() override;
-  virtual void TearDown() override;
+  void SetUp() override;
+  void TearDown() override;
   content::ContentClient* CreateContentClient() override;
   content::ContentBrowserClient* CreateContentBrowserClient() override;
   content::ContentRendererClient* CreateContentRendererClient() override;