Move IsStringASCII/UTF8 to base namespace.

Use StringPiece for IsStringUTF8.

TBR=sky

Review URL: https://codereview.chromium.org/196793010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@257524 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: b75d4baceaa3fb0c3be1aad851e9cb594e1ce4f5
5 files changed
tree: b60e903554c4b2c71b128f87e54ce8c4a4370856
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/