Merge tools/grit from https://chromium.googlesource.com/external/grit-i18n.git at 11e589a0b4a958ad1b5411692ee576cbee9f6ca5

This commit was generated by merge_from_chromium.py.

Change-Id: I5a11a328f42e5df73d9e2f42a7906a6a64153838