These test is failing with no obvious regressing patch:
https://uberchromegw.corp.google.com/i/chromium.mac/builders/ios-simulator?numbuilds=200

Flakiness dashboard:
https://test-results.appspot.com/dashboards/flakiness_dashboard.html#testType=base_unittests&tests=TimeFormattingTest.TimeFormatDateUS

Tests:
TimeFormattingTest.TimeFormatDateUS
TimeFormattingTest.TimeFormatWithPattern
TimeFormattingTest.TimeFormatTimeOfDayJP
TimeFormattingTest.TimeFormatDateGB
TimeFormattingTest.TimeFormatTimeOfDayDefault12h
TimeFormattingTest.TimeFormatTimeOfDayDefault24h

Example failure:
TimeFormattingTest.TimeFormatDateUS:
../../base/i18n/time_formatting_unittest.cc:211: Failure
      Expected: ASCIIToUTF16("4/30/11, 3:42:07 PM")
      Which is: 4/30/11, 3:42:07 PM
To be equal to: TimeFormatShortDateAndTime(time)
      Which is: 4/30/11, 8:42:07 AM
../../base/i18n/time_formatting_unittest.cc:213: Failure
      Expected: ASCIIToUTF16("4/30/11, 3:42:07 PM ") + GetShortTimeZone(time)
      Which is: 4/30/11, 3:42:07 PM PDT
To be equal to: TimeFormatShortDateAndTimeWithTimeZone(time)
      Which is: 4/30/11, 8:42:07 AM PDT
../../base/i18n/time_formatting_unittest.cc:218: Failure
      Expected: ASCIIToUTF16("Saturday, April 30, 2011 at 3:42:07 PM")
      Which is: Saturday, April 30, 2011 at 3:42:07 PM
To be equal to: TimeFormatFriendlyDateAndTime(time)
      Which is: Saturday, April 30, 2011 at 8:42:07 AM

jshin, this is almost certainly not your fault but you touched timezone related things, including time_formatting_unittest.cc, semi-recently. Could you please triage this?