Rebase ThaiUTF8 unit test.

TEST=unit_tests
BUG=50705

http://codereview.chromium.org/3085005

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@55257 0039d316-1c4b-4281-b951-d872f2087c98
bool ComparePair1st(const Snippet::MatchPosition& a,
                    const Snippet::MatchPosition& b) {
  return a.first < b.first;
}

bool ComparePair1st(const Snippet::MatchPosition& a,
                    const Snippet::MatchPosition& b) {
  return a.first < b.first;
}
