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

chrome/browser/extensions/api/dial/dial_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 CHROME_BROWSER_EXTENSIONS_API_DIAL_DIAL_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DIAL_DIAL_API_H_
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/extensions/api/dial/dial_device_data.h"
@@ skipping 19 matching lines @@
   // The DialRegistry for the API. This must always be used only from the IO
   // thread.
   DialRegistry* dial_registry();
 
   // Called by the DialRegistry on the IO thread so that the DialAPI dispatches
   // the event to listeners on the UI thread.
   void SendEventOnUIThread(const DialRegistry::DeviceList& devices);
   void SendErrorOnUIThread(const DialRegistry::DialErrorCode type);
 
  private:
-  virtual ~DialAPI();
+  ~DialAPI() override;
 
   // RefcountedKeyedService:
-  virtual void ShutdownOnUIThread() override;
+  void ShutdownOnUIThread() override;
 
   // EventRouter::Observer:
-  virtual void OnListenerAdded(const EventListenerInfo& details) override;
-  virtual void OnListenerRemoved(const EventListenerInfo& details) override;
+  void OnListenerAdded(const EventListenerInfo& details) override;
+  void OnListenerRemoved(const EventListenerInfo& details) override;
 
   // DialRegistry::Observer:
-  virtual void OnDialDeviceEvent(
-      const DialRegistry::DeviceList& devices) override;
-  virtual void OnDialError(DialRegistry::DialErrorCode type) override;
+  void OnDialDeviceEvent(const DialRegistry::DeviceList& devices) override;
+  void OnDialError(DialRegistry::DialErrorCode type) override;
 
   // Methods to notify the DialRegistry on the correct thread of new/removed
   // listeners.
   void NotifyListenerAddedOnIOThread();
   void NotifyListenerRemovedOnIOThread();
 
   Profile* profile_;
 
   // Created lazily on first access on the IO thread.
   scoped_ptr<DialRegistry> dial_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(DialAPI);
 };
 
 namespace api {
 
 // DiscoverNow function. This function needs a round-trip from the IO thread
 // because it needs to grab a pointer to the DIAL API in order to get a
 // reference to the DialRegistry while on the IO thread. Then, the result
 // must be returned on the UI thread.
 class DialDiscoverNowFunction : public AsyncApiFunction {
  public:
   DialDiscoverNowFunction();
 
  protected:
-  virtual ~DialDiscoverNowFunction() {}
+  ~DialDiscoverNowFunction() override {}
 
   // AsyncApiFunction:
-  virtual bool Prepare() override;
-  virtual void Work() override;
-  virtual bool Respond() override;
+  bool Prepare() override;
+  void Work() override;
+  bool Respond() override;
 
  private:
   DECLARE_EXTENSION_FUNCTION("dial.discoverNow", DIAL_DISCOVERNOW)
 
   // Pointer to the DIAL API for this profile. We get this on the UI thread.
   DialAPI* dial_;
 
   // Result of the discoverNow call to the DIAL registry. This result is
   // retrieved on the IO thread but the function result is returned on the UI
   // thread.
   bool result_;
 
   DISALLOW_COPY_AND_ASSIGN(DialDiscoverNowFunction);
 };
 
 }  // namespace api
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DIAL_DIAL_API_H_