Standardize usage of virtual/override/final in extensions/

extensions/renderer/module_system.h

 // 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.
 
 #ifndef EXTENSIONS_RENDERER_MODULE_SYSTEM_H_
 #define EXTENSIONS_RENDERER_MODULE_SYSTEM_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 54 matching lines @@
     explicit NativesEnabledScope(ModuleSystem* module_system);
     ~NativesEnabledScope();
 
    private:
     ModuleSystem* module_system_;
     DISALLOW_COPY_AND_ASSIGN(NativesEnabledScope);
   };
 
   // |source_map| is a weak pointer.
   ModuleSystem(ScriptContext* context, SourceMap* source_map);
-  virtual ~ModuleSystem();
+  ~ModuleSystem() override;
 
   // Require the specified module. This is the equivalent of calling
   // require('module_name') from the loaded JS files.
   v8::Handle<v8::Value> Require(const std::string& module_name);
   void Require(const v8::FunctionCallbackInfo<v8::Value>& args);
 
   // Run |code| in the current context with the name |name| used for stack
   // traces.
   v8::Handle<v8::Value> RunString(v8::Handle<v8::String> code,
                                   v8::Handle<v8::String> name);
@@ skipping 50 matching lines @@
                           const std::string& module_name,
                           const std::string& module_field);
 
   // Passes exceptions to |handler| rather than console::Fatal.
   void SetExceptionHandlerForTest(scoped_ptr<ExceptionHandler> handler) {
     exception_handler_ = handler.Pass();
   }
 
  protected:
   friend class ScriptContext;
-  virtual void Invalidate() override;
+  void Invalidate() override;
 
  private:
   typedef std::map<std::string, linked_ptr<NativeHandler> > NativeHandlerMap;
 
   // Retrieves the lazily defined field specified by |property|.
   static void LazyFieldGetter(v8::Local<v8::String> property,
                               const v8::PropertyCallbackInfo<v8::Value>& info);
   // Retrieves the lazily defined field specified by |property| on a native
   // object.
   static void NativeLazyFieldGetter(
@@ skipping 38 matching lines @@
   // Loads and runs a Javascript module.
   v8::Handle<v8::Value> LoadModule(const std::string& module_name);
 
   // Invoked when a module is loaded in response to a requireAsync call.
   // Resolves |resolver| with |value|.
   void OnModuleLoaded(
       scoped_ptr<v8::UniquePersistent<v8::Promise::Resolver> > resolver,
       v8::Handle<v8::Value> value);
 
   // gin::ModuleRegistryObserver overrides.
-  virtual void OnDidAddPendingModule(
+  void OnDidAddPendingModule(
       const std::string& id,
       const std::vector<std::string>& dependencies) override;
 
   ScriptContext* context_;
 
   // A map from module names to the JS source for that module. GetSource()
   // performs a lookup on this map.
   SourceMap* source_map_;
 
   // A map from native handler names to native handlers.
@@ skipping 10 matching lines @@
   std::set<std::string> overridden_native_handlers_;
 
   base::WeakPtrFactory<ModuleSystem> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ModuleSystem);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_MODULE_SYSTEM_H_