Standardize usage of virtual/override/final in chrome/browser/signin/

chrome/browser/signin/easy_unlock_toggle_flow.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 "chrome/browser/signin/easy_unlock_toggle_flow.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
@@ skipping 36 matching lines @@
   return oauth2_info.client_id;
 }
 
 }  // namespace
 
 class EasyUnlockToggleFlow::ToggleApiCall : public OAuth2ApiCallFlow {
  public:
   ToggleApiCall(EasyUnlockToggleFlow* flow,
                 const std::string& phone_public_key,
                 bool toggle_enable);
-  virtual ~ToggleApiCall();
+  ~ToggleApiCall() override;
 
   // OAuth2ApiCallFlow
-  virtual GURL CreateApiCallUrl() override;
-  virtual std::string CreateApiCallBody() override;
-  virtual std::string CreateApiCallBodyContentType() override;
-  virtual void ProcessApiCallSuccess(const net::URLFetcher* source) override;
-  virtual void ProcessApiCallFailure(const net::URLFetcher* source) override;
+  GURL CreateApiCallUrl() override;
+  std::string CreateApiCallBody() override;
+  std::string CreateApiCallBodyContentType() override;
+  void ProcessApiCallSuccess(const net::URLFetcher* source) override;
+  void ProcessApiCallFailure(const net::URLFetcher* source) override;
 
  private:
   EasyUnlockToggleFlow* flow_;
   const std::string phone_public_key_;
   const bool toggle_enable_;
 
   DISALLOW_COPY_AND_ASSIGN(ToggleApiCall);
 };
 
 EasyUnlockToggleFlow::ToggleApiCall::ToggleApiCall(
@@ skipping 104 matching lines @@
 }
 
 void EasyUnlockToggleFlow::OnIssueAdviceSuccess(
     const IssueAdviceInfo& issue_advice) {
   NOTREACHED();
 }
 
 void EasyUnlockToggleFlow::ReportToggleApiCallResult(bool success) {
   callback_.Run(success);
 }