Move StartsWith[ASCII] to base namespace.

NOPRESUBMIT=true
(no presubmit due to removing base:: from a ScopedAllowIO)

Review URL: https://codereview.chromium.org/1172183002

Cr-Original-Commit-Position: refs/heads/master@{#334108}
Cr-Mirrored-From: https://chromium.googlesource.com/chromium/src
Cr-Mirrored-Commit: 44ce0ec5b05184c4e33d597d4e5a32d9f38b15c2
4 files changed
tree: d8f4db5a2ff30eca0e15c6d588b62b5029f02d62
  1. tools/