Add strictly checked numeric types

StrictNumeric and strict_cast can be used for compile time
detection of numeric truncation errors at API boundaries.

Review URL: https://codereview.chromium.org/1154543003

Cr-Commit-Position: refs/heads/master@{#331725}


CrOS-Libchrome-Original-Commit: 4bf22c6d746526624b79f4c9d7b01ee5bfdbe3d3
3 files changed
tree: 099a56770c006786f2e64cb80edf15dad9bb2ac2
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/