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

chrome/browser/ui/webui/system_info_ui.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 "chrome/browser/ui/webui/system_info_ui.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 29 matching lines @@
 using content::WebContents;
 using content::WebUIMessageHandler;
 using system_logs::SystemLogsResponse;
 using system_logs::AboutSystemLogsFetcher;
 
 class SystemInfoUIHTMLSource : public content::URLDataSource{
  public:
   SystemInfoUIHTMLSource();
 
   // content::URLDataSource implementation.
-  virtual std::string GetSource() const override;
-  virtual void StartDataRequest(
+  std::string GetSource() const override;
+  void StartDataRequest(
       const std::string& path,
       int render_process_id,
       int render_frame_id,
       const content::URLDataSource::GotDataCallback& callback) override;
-  virtual std::string GetMimeType(const std::string&) const override {
+  std::string GetMimeType(const std::string&) const override {
     return "text/html";
   }
-  virtual bool ShouldAddContentSecurityPolicy() const override {
-    return false;
-  }
+  bool ShouldAddContentSecurityPolicy() const override { return false; }
 
  private:
-  virtual ~SystemInfoUIHTMLSource() {}
+  ~SystemInfoUIHTMLSource() override {}
 
   void SysInfoComplete(scoped_ptr<SystemLogsResponse> response);
   void RequestComplete();
   void WaitForData();
 
   // Stored data from StartDataRequest()
   std::string path_;
   content::URLDataSource::GotDataCallback callback_;
 
   scoped_ptr<SystemLogsResponse> response_;
   base::WeakPtrFactory<SystemInfoUIHTMLSource> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(SystemInfoUIHTMLSource);
 };
 
 // The handler for Javascript messages related to the "system" view.
 class SystemInfoHandler : public WebUIMessageHandler,
                           public base::SupportsWeakPtr<SystemInfoHandler> {
  public:
   SystemInfoHandler();
-  virtual ~SystemInfoHandler();
+  ~SystemInfoHandler() override;
 
   // WebUIMessageHandler implementation.
-  virtual void RegisterMessages() override;
+  void RegisterMessages() override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SystemInfoHandler);
 };
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // SystemInfoUIHTMLSource
 //
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 87 matching lines @@
 
 SystemInfoUI::SystemInfoUI(content::WebUI* web_ui) : WebUIController(web_ui) {
   SystemInfoHandler* handler = new SystemInfoHandler();
   web_ui->AddMessageHandler(handler);
   SystemInfoUIHTMLSource* html_source = new SystemInfoUIHTMLSource();
 
   // Set up the chrome://system/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   content::URLDataSource::Add(profile, html_source);
 }