Replace NULL with nullptr or null in webrtc/base/.
BUG=webrtc:7147
Review-Url: https://codereview.webrtc.org/2718663005
Cr-Commit-Position: refs/heads/master@{#16878}
diff --git a/webrtc/base/fileutils.h b/webrtc/base/fileutils.h
index 8b09099..8f6ec52 100644
--- a/webrtc/base/fileutils.h
+++ b/webrtc/base/fileutils.h
@@ -85,7 +85,7 @@
virtual DirectoryIterator* IterateDirectory();
// Opens a file. Returns an open StreamInterface if function succeeds.
- // Otherwise, returns NULL.
+ // Otherwise, returns null.
// TODO: Add an error param to indicate failure reason, similar to
// FileStream::Open
virtual FileStream *OpenFile(const Pathname &filename,