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

extensions/common/manifest_handlers/nacl_modules_handler.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/nacl_modules_handler.h"
 
 #include "base/lazy_instance.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 13 matching lines @@
   NaClModuleInfo::List nacl_modules_;
 };
 
 }  // namespace
 
 // static
 const NaClModuleInfo::List* NaClModuleInfo::GetNaClModules(
     const Extension* extension) {
   NaClModuleData* data = static_cast<NaClModuleData*>(
       extension->GetManifestData(keys::kNaClModules));
-  return data ? &data->nacl_modules_ : NULL;
+  return data ? &data->nacl_modules_ : nullptr;
 }
 
 NaClModulesHandler::NaClModulesHandler() {
 }
 
 NaClModulesHandler::~NaClModulesHandler() {
 }
 
 bool NaClModulesHandler::Parse(Extension* extension, base::string16* error) {
-  const base::ListValue* list_value = NULL;
+  const base::ListValue* list_value = nullptr;
   if (!extension->manifest()->GetList(keys::kNaClModules, &list_value)) {
     *error = base::ASCIIToUTF16(errors::kInvalidNaClModules);
     return false;
   }
 
   scoped_ptr<NaClModuleData> nacl_module_data(new NaClModuleData);
 
   for (size_t i = 0; i < list_value->GetSize(); ++i) {
-    const base::DictionaryValue* module_value = NULL;
+    const base::DictionaryValue* module_value = nullptr;
     if (!list_value->GetDictionary(i, &module_value)) {
       *error = base::ASCIIToUTF16(errors::kInvalidNaClModules);
       return false;
     }
 
     // Get nacl_modules[i].path.
     std::string path_str;
     if (!module_value->GetString(keys::kNaClModulesPath, &path_str)) {
       *error = ErrorUtils::FormatErrorMessageUTF16(
           errors::kInvalidNaClModulesPath, base::IntToString(i));
@@ skipping 16 matching lines @@
 
   extension->SetManifestData(keys::kNaClModules, nacl_module_data.release());
   return true;
 }
 
 const std::vector<std::string> NaClModulesHandler::Keys() const {
   return SingleKey(keys::kNaClModules);
 }
 
 }  // namespace extensions