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We have not been using FrameMetrics or SkippedFrameTracker to report
any metrics so far. So stop using them from cc. Follow up CLs will
remove the code and associated tests.

BUG=1005377

Change-Id: Idb779df9210b1b075bb2d76fd499ec43b3822898
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1811201Reviewed-by: Mohsen Izadi <mohsen@chromium.org>
Commit-Queue: Sadrul Chowdhury <sadrul@chromium.org>
Cr-Commit-Position: refs/heads/master@{#697831}