C++11 declares a type safe null pointer

content/common/media/media_stream_options.h

Index: content/common/media/media_stream_options.h
diff --git a/content/common/media/media_stream_options.h b/content/common/media/media_stream_options.h
index e58f137000364a1a704f24bbf6328df65c31cb66..8fa7ca6778bf2fe5b210e73f179cff90bc06c8b6 100644
--- a/content/common/media/media_stream_options.h
+++ b/content/common/media/media_stream_options.h
@@ -62,7 +62,7 @@ class CONTENT_EXPORT StreamOptions {
   // Fetches |value| from the first audio constraint with a name that matches
   // |name| from |mandatory_audio| and |optional_audio|. First mandatory
   // constraints are searched, then optional.
-  // |is_mandatory| may be NULL but if it is provided, it is set
+  // |is_mandatory| may be nullptr but if it is provided, it is set
   // to true if the found constraint is mandatory.
   // Returns false if no constraint is found.
   bool GetFirstAudioConstraintByName(const std::string& name,
@@ -72,7 +72,7 @@ class CONTENT_EXPORT StreamOptions {
   // Fetches |value| from the first video constraint with a name that matches
   // |name| from |mandatory_video| and |optional_video|. First mandatory
   // constraints are searched, then optional.
-  // |is_mandatory| may be NULL but if it is provided, it is set
+  // |is_mandatory| may be nullptr but if it is provided, it is set
   // to true if the found constraint is mandatory.
   // Returns false if no constraint is found.
   bool GetFirstVideoConstraintByName(const std::string& name,