GitLab

We should ignore trailing "." and digits after a number.
We should reject a leading "-", a leading "+", and scientific notation.

Bug: 742104
Change-Id: I4e5ed15e0a07f361fd86680a60430cb2d760dc83
Reviewed-on: https://chromium-review.googlesource.com/574973
Commit-Queue: Kent Tamura <tkent@chromium.org>
Reviewed-by: Takayoshi Kochi <kochi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487446}