Move StringToUpperASCII to base namespace

Removes some unnecessary base:: qualifications in the base files I touched. clang-formatted file_util_unittest because lots of wrapping changed with this removal (seems to be a big improvement).

BUG=

Review URL: https://codereview.chromium.org/1171973003

Cr-Commit-Position: refs/heads/master@{#333560}


CrOS-Libchrome-Original-Commit: 7622fbed9871c8c9ac61b4ea1aef36b0cf0fc144
5 files changed
tree: ebd2b1dc6f217dda37237b11a0a4c985459a11f6
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/