Standardize usage of virtual/override/final specifiers.

chrome/renderer/autofill/password_generation_agent_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <string.h>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "chrome/test/base/chrome_render_view_test.h"
@@ skipping 13 matching lines @@
 using blink::WebInputElement;
 using blink::WebNode;
 using blink::WebString;
 
 namespace autofill {
 
 class PasswordGenerationAgentTest : public ChromeRenderViewTest {
  public:
   PasswordGenerationAgentTest() {}
 
-  virtual void TearDown() {
+  void TearDown() override {
     LoadHTML("");
     ChromeRenderViewTest::TearDown();
   }
 
   void SetNotBlacklistedMessage(const char* form_str) {
     autofill::PasswordForm form;
     form.origin =
         GURL(base::StringPrintf("data:text/html;charset=utf-8,%s", form_str));
     AutofillMsg_FormNotBlacklisted msg(0, form);
     password_generation_->OnMessageReceived(msg);
@@ skipping 334 matching lines @@
       "document.body.appendChild(form);");
   ProcessPendingMessages();
   // TODO(gcasto): I'm slighty worried about flakes in this test where
   // didAssociateFormControls() isn't called. If this turns out to be a problem
   // adding a call to OnDynamicFormsSeen(GetMainFrame()) will fix it, though
   // it will weaken the test.
   ExpectPasswordGenerationAvailable("first_password", true);
 }
 
 }  // namespace autofill