Replace NULL with nullptr in all C++ files.

webrtc/test/configurable_frame_size_encoder.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.
  */
 
 #include "webrtc/test/configurable_frame_size_encoder.h"
 
 #include <string.h>
 
 #include "webrtc/base/checks.h"
 #include "webrtc/common_video/include/video_image.h"
 #include "webrtc/modules/video_coding/include/video_codec_interface.h"
 #include "webrtc/test/gtest.h"
 
 namespace webrtc {
 namespace test {
 
 ConfigurableFrameSizeEncoder::ConfigurableFrameSizeEncoder(
     size_t max_frame_size)
-    : callback_(NULL),
+    : callback_(nullptr),
       max_frame_size_(max_frame_size),
       current_frame_size_(max_frame_size),
       buffer_(new uint8_t[max_frame_size]) {
   memset(buffer_.get(), 0, max_frame_size);
 }
 
 ConfigurableFrameSizeEncoder::~ConfigurableFrameSizeEncoder() {}
 
 int32_t ConfigurableFrameSizeEncoder::InitEncode(
     const VideoCodec* codec_settings,
     int32_t number_of_cores,
     size_t max_payload_size) {
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t ConfigurableFrameSizeEncoder::Encode(
     const VideoFrame& inputImage,
     const CodecSpecificInfo* codecSpecificInfo,
     const std::vector<FrameType>* frame_types) {
   EncodedImage encodedImage(
       buffer_.get(), current_frame_size_, max_frame_size_);
   encodedImage._completeFrame = true;
   encodedImage._encodedHeight = inputImage.height();
   encodedImage._encodedWidth = inputImage.width();
   encodedImage._frameType = kVideoFrameKey;
   encodedImage._timeStamp = inputImage.timestamp();
   encodedImage.capture_time_ms_ = inputImage.render_time_ms();
-  RTPFragmentationHeader* fragmentation = NULL;
+  RTPFragmentationHeader* fragmentation = nullptr;
   CodecSpecificInfo specific;
   memset(&specific, 0, sizeof(specific));
   callback_->OnEncodedImage(encodedImage, &specific, fragmentation);
 
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 int32_t ConfigurableFrameSizeEncoder::RegisterEncodeCompleteCallback(
     EncodedImageCallback* callback) {
   callback_ = callback;
@@ skipping 20 matching lines @@
 }
 
 int32_t ConfigurableFrameSizeEncoder::SetFrameSize(size_t size) {
   RTC_DCHECK_LE(size, max_frame_size_);
   current_frame_size_ = size;
   return WEBRTC_VIDEO_CODEC_OK;
 }
 
 }  // namespace test
 }  // namespace webrtc