Move PathExists to base namespace.

BUG=
TBR=jam@chromium.org

Review URL: https://codereview.chromium.org/18286004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@211147 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 7567484144da059e2c2c2a818b06660a5459052f
22 files changed
tree: 1393b215d2b0132648c16a6585c4b0a8cc021da5
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/