GitLab

TEST=TaskSwitchTimeTrackerTest.HasLastActionTimeShouldBeFalseAfterConstruction
TEST=TaskSwitchTimeTrackerTest.HasLastActionTimeShouldBeTrueAfterOnTaskSwitch
TEST=TaskSwitchTimeTrackerTest.RecordAfterTwoTaskSwitches
TEST=TaskSwitchMetricsRecorderTest.VerifyTaskSwitchesFromTheShelfAreRecorded

BUG=469359, 471356

Review URL: https://codereview.chromium.org/1133123003

Cr-Commit-Position: refs/heads/master@{#329884}