commit db770e704369c5b70f63ec28fdd51329ae2f3ef9
author Vitaly Buka <vitalybuka@chromium.org> Tue Mar 10 19:33:33 2015 -0700
committer ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> Fri Mar 13 11:31:13 2015 +0000
tree 43900dce96d2bf7dc4bb7cbc74d96334503ab0c5
parent 6ca3ad6ccfa620ba8c76a42e1a25bd47cef54f1e

libchromeos: Replace char with std::string in string_utils API

std::string version of functions is enough to cover char use cases.
C library was replaced with STL in Split and SplitAtFirst implementations.
Added support of splitting by empty string. Uses but reasonable implementation
is simple.

BUG=none
TEST=unittests

Change-Id: I0778722d31a7b06eea2227b4d94991ab194195cb
Reviewed-on: https://chromium-review.googlesource.com/258640
Reviewed-by: Vitaly Buka <vitalybuka@chromium.org>
Commit-Queue: Vitaly Buka <vitalybuka@chromium.org>
Tested-by: Vitaly Buka <vitalybuka@chromium.org>