Replace NULL with nullptr in all C++ files.

webrtc/modules/audio_coding/acm2/acm_receiver_unittest.cc

 /*
  *  Copyright (c) 2013 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 49 matching lines @@
         last_packet_send_timestamp_(timestamp_),
         last_frame_type_(kEmptyFrame) {
     config_.decoder_factory = CreateBuiltinAudioDecoderFactory();
   }
 
   ~AcmReceiverTestOldApi() {}
 
   void SetUp() override {
     acm_.reset(AudioCodingModule::Create(config_));
     receiver_.reset(new AcmReceiver(config_));
-    ASSERT_TRUE(receiver_.get() != NULL);
-    ASSERT_TRUE(acm_.get() != NULL);
+    ASSERT_TRUE(receiver_.get() != nullptr);
+    ASSERT_TRUE(acm_.get() != nullptr);
     codecs_ = RentACodec::Database();
 
     acm_->InitializeReceiver();
     acm_->RegisterTransportCallback(this);
 
     rtp_header_.header.sequenceNumber = 0;
     rtp_header_.header.timestamp = 0;
     rtp_header_.header.markerBit = false;
     rtp_header_.header.ssrc = 0x12345678;  // Arbitrary.
     rtp_header_.header.numCSRCs = 0;
@@ skipping 85 matching lines @@
 
 #if defined(WEBRTC_ANDROID)
 #define MAYBE_AddCodecGetCodec DISABLED_AddCodecGetCodec
 #else
 #define MAYBE_AddCodecGetCodec AddCodecGetCodec
 #endif
 TEST_F(AcmReceiverTestOldApi, MAYBE_AddCodecGetCodec) {
   // Add codec.
   for (size_t n = 0; n < codecs_.size(); ++n) {
     if (n & 0x1) {  // Just add codecs with odd index.
-      EXPECT_EQ(
-          0, receiver_->AddCodec(n, codecs_[n].pltype, codecs_[n].channels,
-                                 codecs_[n].plfreq, NULL, codecs_[n].plname));
+      EXPECT_EQ(0, receiver_->AddCodec(n, codecs_[n].pltype,
+                                       codecs_[n].channels, codecs_[n].plfreq,
+                                       nullptr, codecs_[n].plname));
     }
   }
   // Get codec and compare.
   for (size_t n = 0; n < codecs_.size(); ++n) {
     CodecInst my_codec;
     if (n & 0x1) {
       // Codecs with odd index should match the reference.
       EXPECT_EQ(0, receiver_->DecoderByPayloadType(codecs_[n].pltype,
                                                    &my_codec));
       EXPECT_TRUE(CodecsEqual(codecs_[n], my_codec));
@@ skipping 14 matching lines @@
   const CodecIdInst codec1(RentACodec::CodecId::kPCMA);
   CodecInst codec2 = codec1.inst;
   ++codec2.pltype;
   CodecInst test_codec;
 
   // Register the same codec with different payloads.
   EXPECT_EQ(0, receiver_->AddCodec(codec1.id, codec1.inst.pltype,
                                    codec1.inst.channels, codec1.inst.plfreq,
                                    nullptr, codec1.inst.plname));
   EXPECT_EQ(0, receiver_->AddCodec(codec1.id, codec2.pltype, codec2.channels,
-                                   codec2.plfreq, NULL, codec2.plname));
+                                   codec2.plfreq, nullptr, codec2.plname));
 
   // Both payload types should exist.
   EXPECT_EQ(0,
             receiver_->DecoderByPayloadType(codec1.inst.pltype, &test_codec));
   EXPECT_EQ(true, CodecsEqual(codec1.inst, test_codec));
   EXPECT_EQ(0, receiver_->DecoderByPayloadType(codec2.pltype, &test_codec));
   EXPECT_EQ(true, CodecsEqual(codec2, test_codec));
 }
 
 #if defined(WEBRTC_ANDROID)
@@ skipping 274 matching lines @@
               receiver_->last_packet_sample_rate_hz());
     EXPECT_EQ(0, receiver_->LastAudioCodec(&codec));
     EXPECT_TRUE(CodecsEqual(c.inst, codec));
   }
 }
 #endif
 
 }  // namespace acm2
 
 }  // namespace webrtc