| commit | 6656a45aef6475f32b020285251f4782d8eaeb31 | [log] [tgz] |
|---|---|---|
| author | lanwei <lanwei@chromium.org> | Wed May 18 21:55:07 2016 |
| committer | Commit bot <commit-bot@chromium.org> | Wed May 18 21:57:03 2016 |
| tree | 52a0ab4dc3d0a0c737a3ece88e03480fe42ff51d | |
| parent | 295014fabd464fad9af3beca50ad31842fe473fd [diff] |
Add UMA metric to track the time saved on making events passive during fling. In the touch scrolling intervention proposal, we could treat all touchstart event listeners as passive while there’s an active fling animation. We are adding a metric that records the time we saved on making touchstarts passive during fling. This patch depends on issue 1923973002. BUG=607245 Review-Url: https://codereview.chromium.org/1955643002 Cr-Commit-Position: refs/heads/master@{#394560}