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

extensions/browser/api/dns/dns_apitest.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 "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/test/test_utils.h"
 #include "extensions/browser/api/dns/dns_api.h"
@@ skipping 15 matching lines @@
   DnsApiTest() : resolver_creator_(new MockHostResolverCreator()) {}
 
  private:
   virtual void SetUpOnMainThread() OVERRIDE {
     ShellApiTest::SetUpOnMainThread();
     HostResolverWrapper::GetInstance()->SetHostResolverForTesting(
         resolver_creator_->CreateMockHostResolver());
   }
 
   virtual void TearDownOnMainThread() OVERRIDE {
-    HostResolverWrapper::GetInstance()->SetHostResolverForTesting(NULL);
+    HostResolverWrapper::GetInstance()->SetHostResolverForTesting(nullptr);
     resolver_creator_->DeleteMockHostResolver();
     ShellApiTest::TearDownOnMainThread();
   }
 
   // The MockHostResolver asserts that it's used on the same thread on which
   // it's created, which is actually a stronger rule than its real counterpart.
   // But that's fine; it's good practice.
   scoped_refptr<MockHostResolverCreator> resolver_creator_;
 };
 
 IN_PROC_BROWSER_TEST_F(DnsApiTest, DnsResolveIPLiteral) {
   scoped_refptr<DnsResolveFunction> resolve_function(new DnsResolveFunction());
   scoped_refptr<Extension> empty_extension = test_util::CreateEmptyExtension();
 
   resolve_function->set_extension(empty_extension.get());
   resolve_function->set_has_callback(true);
 
   scoped_ptr<base::Value> result(RunFunctionAndReturnSingleResult(
       resolve_function.get(), "[\"127.0.0.1\"]", browser_context()));
-  base::DictionaryValue* dict = NULL;
+  base::DictionaryValue* dict = nullptr;
   ASSERT_TRUE(result->GetAsDictionary(&dict));
 
   int result_code = 0;
   EXPECT_TRUE(dict->GetInteger("resultCode", &result_code));
   EXPECT_EQ(net::OK, result_code);
 
   std::string address;
   EXPECT_TRUE(dict->GetString("address", &address));
   EXPECT_EQ("127.0.0.1", address);
 }
 
 IN_PROC_BROWSER_TEST_F(DnsApiTest, DnsResolveHostname) {
   scoped_refptr<DnsResolveFunction> resolve_function(new DnsResolveFunction());
   scoped_refptr<Extension> empty_extension = test_util::CreateEmptyExtension();
 
   resolve_function->set_extension(empty_extension.get());
   resolve_function->set_has_callback(true);
 
   std::string function_arguments("[\"");
   function_arguments += MockHostResolverCreator::kHostname;
   function_arguments += "\"]";
   scoped_ptr<base::Value> result(RunFunctionAndReturnSingleResult(
       resolve_function.get(), function_arguments, browser_context()));
-  base::DictionaryValue* dict = NULL;
+  base::DictionaryValue* dict = nullptr;
   ASSERT_TRUE(result->GetAsDictionary(&dict));
 
   int result_code = 0;
   EXPECT_TRUE(dict->GetInteger("resultCode", &result_code));
   EXPECT_EQ(net::OK, result_code);
 
   std::string address;
   EXPECT_TRUE(dict->GetString("address", &address));
   EXPECT_EQ(MockHostResolverCreator::kAddress, address);
 }
 
 IN_PROC_BROWSER_TEST_F(DnsApiTest, DnsExtension) {
   ASSERT_TRUE(RunAppTest("api_test/dns/api")) << message_;
 }
 
 }  // namespace extensions