Standardize usage of virtual/override/final specifiers.

chrome/renderer/autofill/autofill_renderer_browsertest.cc

Index: chrome/renderer/autofill/autofill_renderer_browsertest.cc
diff --git a/chrome/renderer/autofill/autofill_renderer_browsertest.cc b/chrome/renderer/autofill/autofill_renderer_browsertest.cc
index b3e710054cd3c2895fd82bdfff1eded4b155e6e2..af756abb318d065bed692c114f93c7a9f0627a12 100644
--- a/chrome/renderer/autofill/autofill_renderer_browsertest.cc
+++ b/chrome/renderer/autofill/autofill_renderer_browsertest.cc
@@ -42,10 +42,10 @@ typedef Tuple5<int,
 class AutofillRendererTest : public ChromeRenderViewTest {
  public:
   AutofillRendererTest() {}
-  virtual ~AutofillRendererTest() {}
+  ~AutofillRendererTest() override {}
 
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     ChromeRenderViewTest::SetUp();
 
     // Don't want any delay for form state sync changes. This will still post a
@@ -251,10 +251,10 @@ class RequestAutocompleteRendererTest : public AutofillRendererTest {
  public:
   RequestAutocompleteRendererTest()
       : invoking_frame_(NULL), sibling_frame_(NULL) {}
-  virtual ~RequestAutocompleteRendererTest() {}
+  ~RequestAutocompleteRendererTest() override {}
 
  protected:
-  virtual void SetUp() override {
+  void SetUp() override {
     AutofillRendererTest::SetUp();
 
     // Bypass the HTTPS-only restriction to show requestAutocomplete.
@@ -295,7 +295,7 @@ class RequestAutocompleteRendererTest : public AutofillRendererTest {
     render_thread_->sink().ClearMessages();
   }
 
-  virtual void TearDown() override {
+  void TearDown() override {
     invoking_form_.reset();
     AutofillRendererTest::TearDown();
   }