Standardize usage of virtual/override/final in chrome/

chrome/test/chromedriver/net/net_util_unittest.cc

 // Copyright (c) 2012 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>
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
 #include "base/location.h"
 #include "base/memory/ref_counted.h"
@@ skipping 52 matching lines @@
     server_url_ = base::StringPrintf("http://127.0.0.1:%d", address.port());
     event->Signal();
   }
 
   void DestroyServerOnIO(base::WaitableEvent* event) {
     server_.reset(NULL);
     event->Signal();
   }
 
   // Overridden from net::HttpServer::Delegate:
-  virtual void OnConnect(int connection_id) override {}
+  void OnConnect(int connection_id) override {}
 
-  virtual void OnHttpRequest(int connection_id,
-                             const net::HttpServerRequestInfo& info) override {
+  void OnHttpRequest(int connection_id,
+                     const net::HttpServerRequestInfo& info) override {
     switch (response_) {
       case kSendHello:
         server_->Send200(connection_id, "hello", "text/plain");
         break;
       case kSend404:
         server_->Send404(connection_id);
         break;
       case kClose:
         server_->Close(connection_id);
         break;
       default:
         break;
     }
   }
 
-  virtual void OnWebSocketRequest(
-      int connection_id,
-      const net::HttpServerRequestInfo& info) override {}
-  virtual void OnWebSocketMessage(int connection_id,
-                                  const std::string& data) override {}
-  virtual void OnClose(int connection_id) override {}
+  void OnWebSocketRequest(int connection_id,
+                          const net::HttpServerRequestInfo& info) override {}
+  void OnWebSocketMessage(int connection_id, const std::string& data) override {
+  }
+  void OnClose(int connection_id) override {}
 
  protected:
   enum ServerResponse {
     kSendHello = 0,
     kSend404,
     kClose,
   };
 
   base::Thread io_thread_;
   ServerResponse response_;
@@ skipping 23 matching lines @@
   ASSERT_FALSE(FetchUrl(server_url_, context_getter_.get(), &response));
   ASSERT_STREQ("stuff", response.c_str());
 }
 
 TEST_F(FetchUrlTest, NoServer) {
   std::string response("stuff");
   ASSERT_FALSE(
       FetchUrl("http://localhost:33333", context_getter_.get(), &response));
   ASSERT_STREQ("stuff", response.c_str());
 }