Standardize usage of virtual/override/final in chrome/

chrome/common/extensions/manifest_handlers/ui_overrides_handler.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 "chrome/common/extensions/manifest_handlers/ui_overrides_handler.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 12 matching lines @@
 namespace extensions {
 
 // The manifest permission implementation supports a permission for overriding
 // the bookmark UI.
 class UIOverridesHandler::ManifestPermissionImpl : public ManifestPermission {
  public:
   explicit ManifestPermissionImpl(bool override_bookmarks_ui_permission)
       : override_bookmarks_ui_permission_(override_bookmarks_ui_permission) {}
 
   // extensions::ManifestPermission overrides.
-  virtual std::string name() const override {
-    return manifest_keys::kUIOverride;
-  }
+  std::string name() const override { return manifest_keys::kUIOverride; }
 
-  virtual std::string id() const override {
-    return name();
-  }
+  std::string id() const override { return name(); }
 
-  virtual bool HasMessages() const override {
+  bool HasMessages() const override {
     return override_bookmarks_ui_permission_;
   }
 
-  virtual PermissionMessages GetMessages() const override {
+  PermissionMessages GetMessages() const override {
     PermissionMessages result;
     if (override_bookmarks_ui_permission_) {
       result.push_back(PermissionMessage(
           PermissionMessage::kOverrideBookmarksUI,
           l10n_util::GetStringUTF16(
               IDS_EXTENSION_PROMPT_WARNING_OVERRIDE_BOOKMARKS_UI)));
     }
     return result;
   }
 
-  virtual bool FromValue(const base::Value* value) override {
+  bool FromValue(const base::Value* value) override {
     return value && value->GetAsBoolean(&override_bookmarks_ui_permission_);
   }
 
-  virtual scoped_ptr<base::Value> ToValue() const override {
+  scoped_ptr<base::Value> ToValue() const override {
     return scoped_ptr<base::Value>(
         new base::FundamentalValue(override_bookmarks_ui_permission_)).Pass();
   }
 
-  virtual ManifestPermission* Diff(const ManifestPermission* rhs) const
-      override {
+  ManifestPermission* Diff(const ManifestPermission* rhs) const override {
     const ManifestPermissionImpl* other =
         static_cast<const ManifestPermissionImpl*>(rhs);
 
     return scoped_ptr<ManifestPermissionImpl>(new ManifestPermissionImpl(
         override_bookmarks_ui_permission_ &&
         !other->override_bookmarks_ui_permission_)).release();
   }
 
-  virtual ManifestPermission* Union(const ManifestPermission* rhs) const
-      override {
+  ManifestPermission* Union(const ManifestPermission* rhs) const override {
     const ManifestPermissionImpl* other =
         static_cast<const ManifestPermissionImpl*>(rhs);
 
     return scoped_ptr<ManifestPermissionImpl>(new ManifestPermissionImpl(
         override_bookmarks_ui_permission_ ||
         other->override_bookmarks_ui_permission_)).release();
   }
 
-  virtual ManifestPermission* Intersect(const ManifestPermission* rhs) const
-      override {
+  ManifestPermission* Intersect(const ManifestPermission* rhs) const override {
     const ManifestPermissionImpl* other =
         static_cast<const ManifestPermissionImpl*>(rhs);
 
     return scoped_ptr<ManifestPermissionImpl>(new ManifestPermissionImpl(
         override_bookmarks_ui_permission_ &&
         other->override_bookmarks_ui_permission_)).release();
   }
 
  private:
   bool override_bookmarks_ui_permission_;
@@ skipping 82 matching lines @@
   const UIOverrides* data = UIOverrides::Get(extension);
   if (data)
     return data->manifest_permission->Clone();
   return NULL;
 }
 const std::vector<std::string> UIOverridesHandler::Keys() const {
   return SingleKey(manifest_keys::kUIOverride);
 }
 
 }  // namespace extensions