C++11 declares a type safe null pointer

content/common/gpu/media/android_video_encode_accelerator.cc

Index: content/common/gpu/media/android_video_encode_accelerator.cc
diff --git a/content/common/gpu/media/android_video_encode_accelerator.cc b/content/common/gpu/media/android_video_encode_accelerator.cc
index 2507ea41c1f9b3c6782adc3681186827433da991..bbfde2e083d08e540015d03eda8c44ffe02ce8ed 100644
--- a/content/common/gpu/media/android_video_encode_accelerator.cc
+++ b/content/common/gpu/media/android_video_encode_accelerator.cc
@@ -287,7 +287,7 @@ void AndroidVideoEncodeAccelerator::QueueInput() {
   }
   scoped_refptr<VideoFrame> frame = input.a;
 
-  uint8* buffer = NULL;
+  uint8* buffer = nullptr;
   size_t capacity = 0;
   media_codec_->GetInputBuffer(input_buf_index, &buffer, &capacity);
 
@@ -320,7 +320,7 @@ void AndroidVideoEncodeAccelerator::QueueInput() {
 
   fake_input_timestamp_ += base::TimeDelta::FromMicroseconds(1);
   status = media_codec_->QueueInputBuffer(
-      input_buf_index, NULL, queued_size, fake_input_timestamp_);
+      input_buf_index, nullptr, queued_size, fake_input_timestamp_);
   UMA_HISTOGRAM_TIMES("Media.AVEA.InputQueueTime", base::Time::Now() - input.c);
   RETURN_ON_FAILURE(status == media::MEDIA_CODEC_OK,
                     "Failed to QueueInputBuffer: " << status,
@@ -356,7 +356,8 @@ void AndroidVideoEncodeAccelerator::DequeueOutput() {
   bool key_frame = false;
   do {
     media::MediaCodecStatus status = media_codec_->DequeueOutputBuffer(
-        NoWaitTimeOut(), &buf_index, &offset, &size, NULL, NULL, &key_frame);
+        NoWaitTimeOut(), &buf_index, &offset, &size, nullptr, nullptr,
+        &key_frame);
     switch (status) {
       case media::MEDIA_CODEC_DEQUEUE_OUTPUT_AGAIN_LATER:
         return;