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

extensions/common/manifest_handlers/permissions_parser.cc

 // 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.
 
 #include "extensions/common/manifest_handlers/permissions_parser.h"
 
 #include "base/command_line.h"
 #include "base/memory/ref_counted.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 89 matching lines @@
 // Parses the host and api permissions from the specified permission |key|
 // from |extension|'s manifest.
 bool ParseHelper(Extension* extension,
                  const char* key,
                  APIPermissionSet* api_permissions,
                  URLPatternSet* host_permissions,
                  base::string16* error) {
   if (!extension->manifest()->HasKey(key))
     return true;
 
-  const base::ListValue* permissions = NULL;
+  const base::ListValue* permissions = nullptr;
   if (!extension->manifest()->GetList(key, &permissions)) {
     *error = ErrorUtils::FormatErrorMessageUTF16(errors::kInvalidPermissions,
                                                  std::string());
     return false;
   }
 
   // NOTE: We need to get the APIPermission before we check if features
   // associated with them are available because the feature system does not
   // know about aliases.
 
@@ skipping 227 matching lines @@
 // static
 scoped_refptr<const PermissionSet> PermissionsParser::GetOptionalPermissions(
     const Extension* extension) {
   DCHECK(extension->GetManifestData(keys::kOptionalPermissions));
   return static_cast<const ManifestPermissions*>(
              extension->GetManifestData(keys::kOptionalPermissions))
       ->permissions;
 }
 
 }  // namespace extensions