tree 914a5e0ecc9c328800f7cae8a33591a444240327
parent 5a2ea3e875dcd13800c32f00c0cc17d031f53e5c
author Natalie Weizenbaum <nweiz@google.com> 1465255348 -0700
committer Natalie Weizenbaum <nweiz@google.com> 1465255348 -0700

Add SpanScanner.within().

This is useful for doing more detailed parses of sub-sections of larger
text.

R=rnystrom@google.com

Review URL: https://codereview.chromium.org//2039163002 .