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

extensions/browser/api_unittest.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/browser/api_unittest.h"
 
 #include "base/values.h"
 #include "components/user_prefs/user_prefs.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
@@ skipping 47 matching lines @@
     const std::string& args) {
   function->set_extension(extension());
   return scoped_ptr<base::Value>(utils::RunFunctionAndReturnSingleResult(
       function, args, browser_context()));
 }
 
 scoped_ptr<base::DictionaryValue> ApiUnitTest::RunFunctionAndReturnDictionary(
     UIThreadExtensionFunction* function,
     const std::string& args) {
   base::Value* value = RunFunctionAndReturnValue(function, args).release();
-  base::DictionaryValue* dict = NULL;
+  base::DictionaryValue* dict = nullptr;
 
   if (value && !value->GetAsDictionary(&dict))
     delete value;
 
   // We expect to either have successfuly retrieved a dictionary from the value,
   // or the value to have been NULL.
   EXPECT_TRUE(dict || !value);
   return scoped_ptr<base::DictionaryValue>(dict);
 }
 
 scoped_ptr<base::ListValue> ApiUnitTest::RunFunctionAndReturnList(
     UIThreadExtensionFunction* function,
     const std::string& args) {
   base::Value* value = RunFunctionAndReturnValue(function, args).release();
-  base::ListValue* list = NULL;
+  base::ListValue* list = nullptr;
 
   if (value && !value->GetAsList(&list))
     delete value;
 
   // We expect to either have successfuly retrieved a list from the value,
   // or the value to have been NULL.
   EXPECT_TRUE(list || !value);
   return scoped_ptr<base::ListValue>(list);
 }
 
 std::string ApiUnitTest::RunFunctionAndReturnError(
     UIThreadExtensionFunction* function,
     const std::string& args) {
   function->set_extension(extension());
   return utils::RunFunctionAndReturnError(function, args, browser_context());
 }
 
 void ApiUnitTest::RunFunction(UIThreadExtensionFunction* function,
                               const std::string& args) {
   RunFunctionAndReturnValue(function, args);
 }
 
 }  // namespace extensions