Replace NULL with nullptr in all C++ files.

webrtc/p2p/base/stunrequest_unittest.cc

Index: webrtc/p2p/base/stunrequest_unittest.cc
diff --git a/webrtc/p2p/base/stunrequest_unittest.cc b/webrtc/p2p/base/stunrequest_unittest.cc
index 9b8ccac1ed1cf64416eb08d47b3fcbac72ea5d0d..f15ec210959cd0e5038913f2cfe3e54339b16d3e 100644
--- a/webrtc/p2p/base/stunrequest_unittest.cc
+++ b/webrtc/p2p/base/stunrequest_unittest.cc
@@ -23,8 +23,11 @@ class StunRequestTest : public testing::Test,
  public:
   StunRequestTest()
       : manager_(rtc::Thread::Current()),
-        request_count_(0), response_(NULL),
-        success_(false), failure_(false), timeout_(false) {
+        request_count_(0),
+        response_(nullptr),
+        success_(false),
+        failure_(false),
+        timeout_(false) {
     manager_.SignalSendPacket.connect(this, &StunRequestTest::OnSendPacket);
   }
 
@@ -94,7 +97,7 @@ class StunRequestThunker : public StunRequest {
 
 // Test handling of a normal binding response.
 TEST_F(StunRequestTest, TestSuccess) {
-  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, NULL);
+  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, nullptr);
 
   manager_.Send(new StunRequestThunker(req, this));
   StunMessage* res = CreateStunMessage(STUN_BINDING_RESPONSE, req);
@@ -109,7 +112,7 @@ TEST_F(StunRequestTest, TestSuccess) {
 
 // Test handling of an error binding response.
 TEST_F(StunRequestTest, TestError) {
-  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, NULL);
+  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, nullptr);
 
   manager_.Send(new StunRequestThunker(req, this));
   StunMessage* res = CreateStunMessage(STUN_BINDING_ERROR_RESPONSE, req);
@@ -124,13 +127,13 @@ TEST_F(StunRequestTest, TestError) {
 
 // Test handling of a binding response with the wrong transaction id.
 TEST_F(StunRequestTest, TestUnexpected) {
-  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, NULL);
+  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, nullptr);
 
   manager_.Send(new StunRequestThunker(req, this));
-  StunMessage* res = CreateStunMessage(STUN_BINDING_RESPONSE, NULL);
+  StunMessage* res = CreateStunMessage(STUN_BINDING_RESPONSE, nullptr);
   EXPECT_FALSE(manager_.CheckResponse(res));
 
-  EXPECT_TRUE(response_ == NULL);
+  EXPECT_TRUE(response_ == nullptr);
   EXPECT_FALSE(success_);
   EXPECT_FALSE(failure_);
   EXPECT_FALSE(timeout_);
@@ -140,7 +143,7 @@ TEST_F(StunRequestTest, TestUnexpected) {
 // Test that requests are sent at the right times.
 TEST_F(StunRequestTest, TestBackoff) {
   rtc::ScopedFakeClock fake_clock;
-  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, NULL);
+  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, nullptr);
 
   int64_t start = rtc::TimeMillis();
   manager_.Send(new StunRequestThunker(req, this));
@@ -165,14 +168,14 @@ TEST_F(StunRequestTest, TestBackoff) {
 // Test that we timeout properly if no response is received.
 TEST_F(StunRequestTest, TestTimeout) {
   rtc::ScopedFakeClock fake_clock;
-  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, NULL);
+  StunMessage* req = CreateStunMessage(STUN_BINDING_REQUEST, nullptr);
   StunMessage* res = CreateStunMessage(STUN_BINDING_RESPONSE, req);
 
   manager_.Send(new StunRequestThunker(req, this));
   SIMULATED_WAIT(false, cricket::STUN_TOTAL_TIMEOUT, fake_clock);
 
   EXPECT_FALSE(manager_.CheckResponse(res));
-  EXPECT_TRUE(response_ == NULL);
+  EXPECT_TRUE(response_ == nullptr);
   EXPECT_FALSE(success_);
   EXPECT_FALSE(failure_);
   EXPECT_TRUE(timeout_);