Standardize usage of virtual/override/final in chrome/

chrome/test/chromedriver/chrome/stub_devtools_client.h

 // Copyright (c) 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.
 
 #ifndef CHROME_TEST_CHROMEDRIVER_CHROME_STUB_DEVTOOLS_CLIENT_H_
 #define CHROME_TEST_CHROMEDRIVER_CHROME_STUB_DEVTOOLS_CLIENT_H_
 
 #include <list>
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/test/chromedriver/chrome/devtools_client.h"
 
 namespace base {
 class DictionaryValue;
 }
 
 class Status;
 
 class StubDevToolsClient : public DevToolsClient {
  public:
   explicit StubDevToolsClient(const std::string& id);
   StubDevToolsClient();
-  virtual ~StubDevToolsClient();
+  ~StubDevToolsClient() override;
 
   // Overridden from DevToolsClient:
-  virtual const std::string& GetId() override;
-  virtual bool WasCrashed() override;
-  virtual Status ConnectIfNecessary() override;
-  virtual Status SendCommand(const std::string& method,
-                             const base::DictionaryValue& params) override;
-  virtual Status SendCommandAndGetResult(
+  const std::string& GetId() override;
+  bool WasCrashed() override;
+  Status ConnectIfNecessary() override;
+  Status SendCommand(const std::string& method,
+                     const base::DictionaryValue& params) override;
+  Status SendCommandAndGetResult(
       const std::string& method,
       const base::DictionaryValue& params,
       scoped_ptr<base::DictionaryValue>* result) override;
-  virtual void AddListener(DevToolsEventListener* listener) override;
-  virtual Status HandleEventsUntil(const ConditionalFunc& conditional_func,
-                                   const base::TimeDelta& timeout) override;
-  virtual Status HandleReceivedEvents() override;
+  void AddListener(DevToolsEventListener* listener) override;
+  Status HandleEventsUntil(const ConditionalFunc& conditional_func,
+                           const base::TimeDelta& timeout) override;
+  Status HandleReceivedEvents() override;
 
  protected:
   const std::string id_;
   std::list<DevToolsEventListener*> listeners_;
 };
 
 #endif  // CHROME_TEST_CHROMEDRIVER_CHROME_STUB_DEVTOOLS_CLIENT_H_