description: size_t is not in scope by default in gcc 6
author: Michael Gilbert <mgilbert@debian.org>

--- a/media/base/subsample_entry.h
+++ b/media/base/subsample_entry.h
@@ -36,7 +36,7 @@ struct SubsampleEntry {
 // does not match |input_size|.
 MEDIA_EXPORT bool VerifySubsamplesMatchSize(
     const std::vector<SubsampleEntry>& subsamples,
-    size_t input_size);
+    std::size_t input_size);
 
 }  // namespace media