tree 55cf8800156bd82020bf948998ac2291abf1ba4a
parent fe113d4b71f184ef3a7ca0cd3c41375002927b37
author Xiaoming Shi <xiaomings@google.com> 1444429494 -0700
committer Xiaoming Shi <xiaomings@google.com> 1444429716 -0700

Add CheckNoNonAsciiCharactersInFiles support.

Non ASCII characters in files can cause warnings on Windows which
are treated as errors now.  Add this function to canned check so
we can use it to issue warning if there is any non ASCII characters
in the change content.

Change-Id: Ifdfc8324185b452b7bffc2671aa5a5f916305ef6