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

extensions/browser/api/dns/dns_api.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/dns/dns_api.h"
 
 #include "base/bind.h"
 #include "base/values.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/resource_context.h"
 #include "extensions/browser/api/dns/host_resolver_wrapper.h"
 #include "extensions/common/api/dns.h"
 #include "net/base/host_port_pair.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_log.h"
 
 using content::BrowserThread;
 using extensions::core_api::dns::ResolveCallbackResolveInfo;
 
 namespace Resolve = extensions::core_api::dns::Resolve;
 
 namespace extensions {
 
 DnsResolveFunction::DnsResolveFunction()
-    : resource_context_(NULL),
+    : resource_context_(nullptr),
       response_(false),
       request_handle_(new net::HostResolver::RequestHandle()),
-      addresses_(new net::AddressList) {}
+      addresses_(new net::AddressList) {
+}
 
 DnsResolveFunction::~DnsResolveFunction() {}
 
 bool DnsResolveFunction::RunAsync() {
   scoped_ptr<Resolve::Params> params(Resolve::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
   hostname_ = params->hostname;
   resource_context_ = browser_context()->GetResourceContext();
 
@@ skipping 54 matching lines @@
   bool post_task_result = BrowserThread::PostTask(
       BrowserThread::UI,
       FROM_HERE,
       base::Bind(&DnsResolveFunction::RespondOnUIThread, this));
   DCHECK(post_task_result);
 
   Release();  // Added in WorkOnIOThread().
 }
 
 }  // namespace extensions