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

chrome/browser/ui/webui/options/options_ui.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 "chrome/browser/ui/webui/options/options_ui.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 111 matching lines @@
 // OptionsUIHTMLSource
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 class OptionsUIHTMLSource : public content::URLDataSource {
  public:
   // The constructor takes over ownership of |localized_strings|.
   explicit OptionsUIHTMLSource(base::DictionaryValue* localized_strings);
 
   // 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;
-  virtual bool ShouldDenyXFrameOptions() const override;
+  std::string GetMimeType(const std::string&) const override;
+  bool ShouldDenyXFrameOptions() const override;
 
  private:
-  virtual ~OptionsUIHTMLSource();
+  ~OptionsUIHTMLSource() override;
 
   // Localized strings collection.
   scoped_ptr<base::DictionaryValue> localized_strings_;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsUIHTMLSource);
 };
 
 OptionsUIHTMLSource::OptionsUIHTMLSource(
     base::DictionaryValue* localized_strings) {
   DCHECK(localized_strings);
@@ skipping 321 matching lines @@
   // Add only if handler's service is enabled.
   if (handler->IsEnabled()) {
     // Add handler to the list and also pass the ownership.
     web_ui()->AddMessageHandler(handler.release());
     handler_raw->GetLocalizedValues(localized_strings);
     handlers_.push_back(handler_raw);
   }
 }
 
 }  // namespace options