Standardize usage of virtual/override/final specifiers.

extensions/browser/guest_view/web_view/web_view_apitest.cc

 // Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_apitest.h"
 
 #include "base/command_line.h"
 #include "base/path_service.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
@@ skipping 27 matching lines @@
 const char kEmptyResponsePath[] = "/close-socket";
 const char kRedirectResponsePath[] = "/server-redirect";
 const char kRedirectResponseFullPath[] = "/guest_redirect.html";
 const char kUserAgentRedirectResponsePath[] = "/detect-user-agent";
 const char kTestDataDirectory[] = "testDataDirectory";
 const char kTestServerPort[] = "testServer.port";
 const char kTestWebSocketPort[] = "testWebSocketPort";
 
 class EmptyHttpResponse : public net::test_server::HttpResponse {
  public:
-  virtual std::string ToResponseString() const override {
-    return std::string();
-  }
+  std::string ToResponseString() const override { return std::string(); }
 };
 
 // Handles |request| by serving a redirect response if the |User-Agent| is
 // foobar.
 static scoped_ptr<net::test_server::HttpResponse> UserAgentResponseHandler(
     const std::string& path,
     const GURL& redirect_target,
     const net::test_server::HttpRequest& request) {
   if (!StartsWithASCII(path, request.relative_url, true))
     return scoped_ptr<net::test_server::HttpResponse>();
@@ skipping 14 matching lines @@
 class WebContentsHiddenObserver : public content::WebContentsObserver {
  public:
   WebContentsHiddenObserver(content::WebContents* web_contents,
                             const base::Closure& hidden_callback)
       : WebContentsObserver(web_contents),
         hidden_callback_(hidden_callback),
         hidden_observed_(false) {
   }
 
   // WebContentsObserver.
-  virtual void WasHidden() override {
+  void WasHidden() override {
     hidden_observed_ = true;
     hidden_callback_.Run();
   }
 
   bool hidden_observed() { return hidden_observed_; }
 
  private:
   base::Closure hidden_callback_;
   bool hidden_observed_;
 
@@ skipping 607 matching lines @@
 // object, on the webview element, and hanging directly off webview.
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebRequestAPIExistence) {
   RunTest("testWebRequestAPIExistence", "web_view/apitest");
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewAPITest, TestWebRequestAPIGoogleProperty) {
   RunTest("testWebRequestAPIGoogleProperty", "web_view/apitest");
 }
 
 }  // namespace extensions