Standardize usage of virtual/override/final in extensions/

extensions/common/features/simple_feature.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_COMMON_FEATURES_SIMPLE_FEATURE_H_
 #define EXTENSIONS_COMMON_FEATURES_SIMPLE_FEATURE_H_
 
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/features/feature.h"
 #include "extensions/common/features/simple_feature_filter.h"
 #include "extensions/common/manifest.h"
 
 namespace extensions {
 
 class SimpleFeature : public Feature {
  public:
   SimpleFeature();
-  virtual ~SimpleFeature();
+  ~SimpleFeature() override;
 
   // Similar to Manifest::Location, these are the classes of locations
   // supported in feature files; "component" implies
   // COMPONENT/EXTERNAL_COMPONENT manifest location types, etc.
   //
   // This is only public for testing. Production code should never access it,
   // nor should it really have any reason to access the SimpleFeature class
   // directly, it should be dealing with the Feature interface.
   enum Location {
     UNSPECIFIED_LOCATION,
@@ skipping 44 matching lines @@
                                     Platform platform) const {
     return IsAvailableToContext(extension, context, GURL(), platform);
   }
   Availability IsAvailableToContext(const Extension* extension,
                                     Context context,
                                     const GURL& url) const {
     return IsAvailableToContext(extension, context, url, GetCurrentPlatform());
   }
 
   // extension::Feature:
-  virtual Availability IsAvailableToManifest(const std::string& extension_id,
-                                             Manifest::Type type,
-                                             Manifest::Location location,
-                                             int manifest_version,
-                                             Platform platform) const override;
+  Availability IsAvailableToManifest(const std::string& extension_id,
+                                     Manifest::Type type,
+                                     Manifest::Location location,
+                                     int manifest_version,
+                                     Platform platform) const override;
 
-  virtual Availability IsAvailableToContext(const Extension* extension,
-                                            Context context,
-                                            const GURL& url,
-                                            Platform platform) const override;
+  Availability IsAvailableToContext(const Extension* extension,
+                                    Context context,
+                                    const GURL& url,
+                                    Platform platform) const override;
 
-  virtual std::string GetAvailabilityMessage(AvailabilityResult result,
-                                             Manifest::Type type,
-                                             const GURL& url,
-                                             Context context) const override;
+  std::string GetAvailabilityMessage(AvailabilityResult result,
+                                     Manifest::Type type,
+                                     const GURL& url,
+                                     Context context) const override;
 
-  virtual bool IsInternal() const override;
+  bool IsInternal() const override;
 
-  virtual bool IsIdInBlacklist(const std::string& extension_id) const override;
-  virtual bool IsIdInWhitelist(const std::string& extension_id) const override;
+  bool IsIdInBlacklist(const std::string& extension_id) const override;
+  bool IsIdInWhitelist(const std::string& extension_id) const override;
   static bool IsIdInList(const std::string& extension_id,
                          const std::set<std::string>& list);
 
  protected:
   Availability CreateAvailability(AvailabilityResult result) const;
   Availability CreateAvailability(AvailabilityResult result,
                                   Manifest::Type type) const;
   Availability CreateAvailability(AvailabilityResult result,
                                   const GURL& url) const;
   Availability CreateAvailability(AvailabilityResult result,
@@ skipping 24 matching lines @@
 
   typedef std::vector<linked_ptr<SimpleFeatureFilter> > FilterList;
   FilterList filters_;
 
   DISALLOW_COPY_AND_ASSIGN(SimpleFeature);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_FEATURES_SIMPLE_FEATURE_H_