Replace NULL with nullptr in all C++ files.

webrtc/modules/video_coding/video_coding_robustness_unittest.cc

 /*
  *  Copyright (c) 2012 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 18 matching lines @@
 using ::testing::Pointee;
 using ::testing::NiceMock;
 using ::testing::Sequence;
 
 class VCMRobustnessTest : public ::testing::Test {
  protected:
   static const size_t kPayloadLen = 10;
 
   virtual void SetUp() {
     clock_.reset(new SimulatedClock(0));
-    ASSERT_TRUE(clock_.get() != NULL);
+    ASSERT_TRUE(clock_.get() != nullptr);
     vcm_.reset(VideoCodingModule::Create(clock_.get(), &event_factory_));
-    ASSERT_TRUE(vcm_ != NULL);
+    ASSERT_TRUE(vcm_ != nullptr);
     const size_t kMaxNackListSize = 250;
     const int kMaxPacketAgeToNack = 450;
     vcm_->SetNackSettings(kMaxNackListSize, kMaxPacketAgeToNack, 0);
     ASSERT_EQ(0, vcm_->RegisterFrameTypeCallback(&frame_type_callback_));
     ASSERT_EQ(0, vcm_->RegisterPacketRequestCallback(&request_callback_));
     VideoCodingModule::Codec(kVideoCodecVP8, &video_codec_);
     ASSERT_EQ(VCM_OK, vcm_->RegisterReceiveCodec(&video_codec_, 1));
     vcm_->RegisterExternalDecoder(&decoder_, video_codec_.plType);
   }
 
@@ skipping 167 matching lines @@
 
   clock_->AdvanceTimeMilliseconds(23);
   InsertPacket(3000, 4, false, false, kVideoFrameDelta);
 
   InsertPacket(9000, 9, true, false, kVideoFrameDelta);
   InsertPacket(9000, 10, false, false, kVideoFrameDelta);
   InsertPacket(9000, 11, false, true, kVideoFrameDelta);
   EXPECT_EQ(VCM_OK, vcm_->Decode(33));  // Decode timestamp 9000 complete.
 }
 }  // namespace webrtc