Add a trace event to MemoryPressureListener::NotifyMemoryPressure.

Add a trace event to MemoryPressureListener::NotifyMemoryPressure to enable
tracking of whether any jank is caused by dealing with memory pressure
notifications.

BUG=397026

Review URL: https://codereview.chromium.org/413233002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@285449 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: 9b478731e59e7cbeae46237fb9816bcbbb04e09c
1 file changed
tree: aedc5cfe7537e05a834c4b4e25b2ea203822e259
  1. base/
  2. build/
  3. components/
  4. dbus/
  5. device/
  6. ipc/
  7. mojo/
  8. testing/
  9. third_party/
  10. ui/