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

extensions/common/manifest_handlers/web_accessible_resources_info.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/web_accessible_resources_info.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ skipping 46 matching lines @@
 
 WebAccessibleResourcesHandler::WebAccessibleResourcesHandler() {
 }
 
 WebAccessibleResourcesHandler::~WebAccessibleResourcesHandler() {
 }
 
 bool WebAccessibleResourcesHandler::Parse(Extension* extension,
                                           base::string16* error) {
   scoped_ptr<WebAccessibleResourcesInfo> info(new WebAccessibleResourcesInfo);
-  const base::ListValue* list_value = NULL;
+  const base::ListValue* list_value = nullptr;
   if (!extension->manifest()->GetList(keys::kWebAccessibleResources,
                                       &list_value)) {
     *error = base::ASCIIToUTF16(errors::kInvalidWebAccessibleResourcesList);
     return false;
   }
   for (size_t i = 0; i < list_value->GetSize(); ++i) {
     std::string relative_path;
     if (!list_value->GetString(i, &relative_path)) {
       *error = ErrorUtils::FormatErrorMessageUTF16(
           errors::kInvalidWebAccessibleResource, base::IntToString(i));
@@ skipping 12 matching lines @@
   }
   extension->SetManifestData(keys::kWebAccessibleResources, info.release());
   return true;
 }
 
 const std::vector<std::string> WebAccessibleResourcesHandler::Keys() const {
   return SingleKey(keys::kWebAccessibleResources);
 }
 
 }  // namespace extensions