Replace NULL with nullptr in all C++ files.

webrtc/p2p/base/stunrequest.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 44 matching lines @@
   SendDelayed(request, 0);
 }
 
 void StunRequestManager::SendDelayed(StunRequest* request, int delay) {
   request->set_manager(this);
   RTC_DCHECK(requests_.find(request->id()) == requests_.end());
   request->set_origin(origin_);
   request->Construct();
   requests_[request->id()] = request;
   if (delay > 0) {
-    thread_->PostDelayed(RTC_FROM_HERE, delay, request, MSG_STUN_SEND, NULL);
+    thread_->PostDelayed(RTC_FROM_HERE, delay, request, MSG_STUN_SEND, nullptr);
   } else {
-    thread_->Send(RTC_FROM_HERE, request, MSG_STUN_SEND, NULL);
+    thread_->Send(RTC_FROM_HERE, request, MSG_STUN_SEND, nullptr);
   }
 }
 
 void StunRequestManager::Flush(int msg_type) {
   for (const auto kv : requests_) {
     StunRequest* request = kv.second;
     if (msg_type == kAllRequests || msg_type == request->type()) {
       thread_->Clear(request, MSG_STUN_SEND);
-      thread_->Send(RTC_FROM_HERE, request, MSG_STUN_SEND, NULL);
+      thread_->Send(RTC_FROM_HERE, request, MSG_STUN_SEND, nullptr);
     }
   }
 }
 
 bool StunRequestManager::HasRequest(int msg_type) {
   for (const auto kv : requests_) {
     StunRequest* request = kv.second;
     if (msg_type == kAllRequests || msg_type == request->type()) {
       return true;
     }
@@ skipping 84 matching lines @@
 }
 
 StunRequest::StunRequest(StunMessage* request)
     : count_(0), timeout_(false), manager_(0),
       msg_(request), tstamp_(0) {
   msg_->SetTransactionID(
       rtc::CreateRandomString(kStunTransactionIdLength));
 }
 
 StunRequest::~StunRequest() {
-  RTC_DCHECK(manager_ != NULL);
+  RTC_DCHECK(manager_ != nullptr);
   if (manager_) {
     manager_->Remove(this);
     manager_->thread_->Clear(this);
   }
   delete msg_;
 }
 
 void StunRequest::Construct() {
   if (msg_->type() == 0) {
     if (!origin_.empty()) {
       msg_->AddAttribute(new StunByteStringAttribute(STUN_ATTR_ORIGIN,
           origin_));
     }
     Prepare(msg_);
     RTC_DCHECK(msg_->type() != 0);
   }
 }
 
 int StunRequest::type() {
-  RTC_DCHECK(msg_ != NULL);
+  RTC_DCHECK(msg_ != nullptr);
   return msg_->type();
 }
 
 const StunMessage* StunRequest::msg() const {
   return msg_;
 }
 
 int StunRequest::Elapsed() const {
   return static_cast<int>(rtc::TimeMillis() - tstamp_);
 }
 
 
 void StunRequest::set_manager(StunRequestManager* manager) {
   RTC_DCHECK(!manager_);
   manager_ = manager;
 }
 
 void StunRequest::OnMessage(rtc::Message* pmsg) {
-  RTC_DCHECK(manager_ != NULL);
+  RTC_DCHECK(manager_ != nullptr);
   RTC_DCHECK(pmsg->message_id == MSG_STUN_SEND);
 
   if (timeout_) {
     OnTimeout();
     delete this;
     return;
   }
 
   tstamp_ = rtc::TimeMillis();
 
   rtc::ByteBufferWriter buf;
   msg_->Write(&buf);
   manager_->SignalSendPacket(buf.Data(), buf.Length(), this);
 
   OnSent();
   manager_->thread_->PostDelayed(RTC_FROM_HERE, resend_delay(), this,
-                                 MSG_STUN_SEND, NULL);
+                                 MSG_STUN_SEND, nullptr);
 }
 
 void StunRequest::OnSent() {
   count_ += 1;
   int retransmissions = (count_ - 1);
   if (retransmissions >= STUN_MAX_RETRANSMISSIONS) {
     timeout_ = true;
   }
   LOG(LS_VERBOSE) << "Sent STUN request " << count_
                   << "; resend delay = " << resend_delay();
 }
 
 int StunRequest::resend_delay() {
   if (count_ == 0) {
     return 0;
   }
   int retransmissions = (count_ - 1);
   int rto = STUN_INITIAL_RTO << retransmissions;
   return std::min(rto, STUN_MAX_RTO);
 }
 
 }  // namespace cricket