Standardize usage of virtual/override/final in extensions/

extensions/common/permissions/api_permission.cc

 // Copyright 2013 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 "extensions/common/permissions/api_permission.h"
 
 #include "ui/base/l10n/l10n_util.h"
 
 namespace {
 
 using extensions::APIPermission;
 using extensions::APIPermissionInfo;
 using extensions::PermissionMessage;
 using extensions::PermissionMessages;
 
 class SimpleAPIPermission : public APIPermission {
  public:
   explicit SimpleAPIPermission(const APIPermissionInfo* permission)
     : APIPermission(permission) { }
 
-  virtual ~SimpleAPIPermission() { }
+  ~SimpleAPIPermission() override {}
 
-  virtual bool HasMessages() const override {
+  bool HasMessages() const override {
     return info()->message_id() > PermissionMessage::kNone;
   }
 
-  virtual PermissionMessages GetMessages() const override {
+  PermissionMessages GetMessages() const override {
     DCHECK(HasMessages());
     PermissionMessages result;
     result.push_back(GetMessage_());
     return result;
   }
 
-  virtual bool Check(
-      const APIPermission::CheckParam* param) const override {
+  bool Check(const APIPermission::CheckParam* param) const override {
     return !param;
   }
 
-  virtual bool Contains(const APIPermission* rhs) const override {
+  bool Contains(const APIPermission* rhs) const override {
     CHECK_EQ(info(), rhs->info());
     return true;
   }
 
-  virtual bool Equal(const APIPermission* rhs) const override {
+  bool Equal(const APIPermission* rhs) const override {
     if (this != rhs)
       CHECK_EQ(info(), rhs->info());
     return true;
   }
 
-  virtual bool FromValue(
-      const base::Value* value,
-      std::string* /*error*/,
-      std::vector<std::string>* /*unhandled_permissions*/) override {
+  bool FromValue(const base::Value* value,
+                 std::string* /*error*/,
+                 std::vector<std::string>* /*unhandled_permissions*/) override {
     return (value == NULL);
   }
 
-  virtual scoped_ptr<base::Value> ToValue() const override {
+  scoped_ptr<base::Value> ToValue() const override {
     return scoped_ptr<base::Value>();
   }
 
-  virtual APIPermission* Clone() const override {
+  APIPermission* Clone() const override {
     return new SimpleAPIPermission(info());
   }
 
-  virtual APIPermission* Diff(const APIPermission* rhs) const override {
+  APIPermission* Diff(const APIPermission* rhs) const override {
     CHECK_EQ(info(), rhs->info());
     return NULL;
   }
 
-  virtual APIPermission* Union(const APIPermission* rhs) const override {
+  APIPermission* Union(const APIPermission* rhs) const override {
     CHECK_EQ(info(), rhs->info());
     return new SimpleAPIPermission(info());
   }
 
-  virtual APIPermission* Intersect(const APIPermission* rhs) const override {
+  APIPermission* Intersect(const APIPermission* rhs) const override {
     CHECK_EQ(info(), rhs->info());
     return new SimpleAPIPermission(info());
   }
 
-  virtual void Write(IPC::Message* m) const override { }
+  void Write(IPC::Message* m) const override {}
 
-  virtual bool Read(const IPC::Message* m, PickleIterator* iter) override {
+  bool Read(const IPC::Message* m, PickleIterator* iter) override {
     return true;
   }
 
-  virtual void Log(std::string* log) const override { }
+  void Log(std::string* log) const override {}
 };
 
 }  // namespace
 
 namespace extensions {
 
 APIPermission::APIPermission(const APIPermissionInfo* info)
   : info_(info) {
   DCHECK(info_);
 }
@@ skipping 31 matching lines @@
   return api_permission_constructor_ ?
     api_permission_constructor_(this) : new SimpleAPIPermission(this);
 }
 
 PermissionMessage APIPermissionInfo::GetMessage_() const {
   return PermissionMessage(
       message_id_, l10n_util::GetStringUTF16(l10n_message_id_));
 }
 
 }  // namespace extensions