Run clang-modernize -use-nullptr over src/extensions/.

extensions/common/permissions/manifest_permission_set.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/manifest_permission_set.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/values.h"
 #include "extensions/common/error_utils.h"
@@ skipping 46 matching lines @@
 namespace extensions {
 
 // static
 bool ManifestPermissionSet::ParseFromJSON(
     const base::ListValue* permissions,
     ManifestPermissionSet* manifest_permissions,
     base::string16* error,
     std::vector<std::string>* unhandled_permissions) {
   for (size_t i = 0; i < permissions->GetSize(); ++i) {
     std::string permission_name;
-    const base::Value* permission_value = NULL;
+    const base::Value* permission_value = nullptr;
     if (!permissions->GetString(i, &permission_name)) {
-      const base::DictionaryValue* dict = NULL;
+      const base::DictionaryValue* dict = nullptr;
       // permission should be a string or a single key dict.
       if (!permissions->GetDictionary(i, &dict) || dict->size() != 1) {
         if (error) {
           *error = ErrorUtils::FormatErrorMessageUTF16(
               errors::kInvalidPermission, base::IntToString(i));
           return false;
         }
         LOG(WARNING) << "Permission is not a string or single key dict.";
         continue;
       }
       base::DictionaryValue::Iterator it(*dict);
       permission_name = it.key();
       permission_value = &it.value();
     }
 
     if (!CreateManifestPermission(permission_name, permission_value,
                                   manifest_permissions, error,
                                   unhandled_permissions))
       return false;
   }
   return true;
 }
 
 }  // namespace extensions