Standardize usage of virtual/override/final in extensions/

extensions/browser/api/web_request/web_request_api.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 #define EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_
 
 #include <list>
 #include <map>
 #include <set>
@@ skipping 45 matching lines @@
 class WebRequestEventRouterDelegate;
 
 // Support class for the WebRequest API. Lives on the UI thread. Most of the
 // work is done by ExtensionWebRequestEventRouter below. This class observes
 // extensions::EventRouter to deal with event listeners. There is one instance
 // per BrowserContext which is shared with incognito.
 class WebRequestAPI : public BrowserContextKeyedAPI,
                       public EventRouter::Observer {
  public:
   explicit WebRequestAPI(content::BrowserContext* context);
-  virtual ~WebRequestAPI();
+  ~WebRequestAPI() override;
 
   // BrowserContextKeyedAPI support:
   static BrowserContextKeyedAPIFactory<WebRequestAPI>* GetFactoryInstance();
 
   // EventRouter::Observer overrides:
-  virtual void OnListenerRemoved(const EventListenerInfo& details) override;
+  void OnListenerRemoved(const EventListenerInfo& details) override;
 
  private:
   friend class BrowserContextKeyedAPIFactory<WebRequestAPI>;
 
   // BrowserContextKeyedAPI support:
   static const char* service_name() { return "WebRequestAPI"; }
   static const bool kServiceRedirectedInIncognito = true;
   static const bool kServiceIsNULLWhileTesting = true;
 
   content::BrowserContext* browser_context_;
@@ skipping 405 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(ExtensionWebRequestEventRouter);
 };
 
 class WebRequestInternalAddEventListenerFunction
     : public SyncIOThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webRequestInternal.addEventListener",
                              WEBREQUESTINTERNAL_ADDEVENTLISTENER)
 
  protected:
-  virtual ~WebRequestInternalAddEventListenerFunction() {}
+  ~WebRequestInternalAddEventListenerFunction() override {}
 
   // ExtensionFunction:
-  virtual bool RunSync() override;
+  bool RunSync() override;
 };
 
 class WebRequestInternalEventHandledFunction
     : public SyncIOThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webRequestInternal.eventHandled",
                              WEBREQUESTINTERNAL_EVENTHANDLED)
 
  protected:
-  virtual ~WebRequestInternalEventHandledFunction() {}
+  ~WebRequestInternalEventHandledFunction() override {}
 
   // Unblocks the network request and sets |error_| such that the developer
   // console will show the respective error message. Use this function to handle
   // incorrect requests from the extension that cannot be detected by the schema
   // validator.
   void RespondWithError(
       const std::string& event_name,
       const std::string& sub_event_name,
       uint64 request_id,
       scoped_ptr<ExtensionWebRequestEventRouter::EventResponse> response,
       const std::string& error);
 
   // ExtensionFunction:
-  virtual bool RunSync() override;
+  bool RunSync() override;
 };
 
 class WebRequestHandlerBehaviorChangedFunction
     : public SyncIOThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("webRequest.handlerBehaviorChanged",
                              WEBREQUEST_HANDLERBEHAVIORCHANGED)
 
  protected:
-  virtual ~WebRequestHandlerBehaviorChangedFunction() {}
+  ~WebRequestHandlerBehaviorChangedFunction() override {}
 
   // ExtensionFunction:
-  virtual void GetQuotaLimitHeuristics(
+  void GetQuotaLimitHeuristics(
       extensions::QuotaLimitHeuristics* heuristics) const override;
   // Handle quota exceeded gracefully: Only warn the user but still execute the
   // function.
-  virtual void OnQuotaExceeded(const std::string& error) override;
-  virtual bool RunSync() override;
+  void OnQuotaExceeded(const std::string& error) override;
+  bool RunSync() override;
 };
 
 #endif  // EXTENSIONS_BROWSER_API_WEB_REQUEST_WEB_REQUEST_API_H_