Implement thread-specific CPU time on Mac OS X

This is different from https://code.google.com/p/chromium/codesearch#chromium/src/base/process/process_metrics_mac.cc&l=216 as it gets the per-thread CPU time while process metrics gets all-thread CPU usage.

BUG=280744

Review URL: https://codereview.chromium.org/56973012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233450 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 4ce597555e06fe045da083bbf16b52d618d259ea
2 files changed
tree: 3233e0ece3759122cf9f56810ada54f3020b6361
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. ipc/
  6. mojo/
  7. testing/
  8. third_party/
  9. ui/