Fix Renderer4.MainThreadWheelScrollReason not being reported.

Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186
Committed: https://crrev.com/3b55960dd01d394ef0f9fdcc5c12fbb31f6cdc94
Cr-Commit-Position: refs/heads/master@{#393240}

[dtapuska, 2016-05-11 20:56:42]

Description was changed from

==========
Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186
==========

to

==========
Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186
==========

[dtapuska, 2016-05-11 20:56:42]

dtapuska@chromium.org changed reviewers:
+ tdresser@chromium.org

[tdresser, 2016-05-12 13:52:11]

LGTM

[dtapuska, 2016-05-12 13:52:49]

The CQ bit was checked by dtapuska@chromium.org

[commit-bot: I haz the power, 2016-05-12 13:53:07]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1965313003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1965313003/1

[commit-bot: I haz the power, 2016-05-12 13:56:10]

Description was changed from

==========
Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186
==========

to

==========
Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186
==========

[commit-bot: I haz the power, 2016-05-12 13:56:10]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-12 13:57:35]

Description was changed from

==========
Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186
==========

to

==========
Fix Renderer4.MainThreadWheelScrollReason not being reported.

When wheel gestures were enabled the UMA histograms for
Renderer4.MainThreadGestureScrollReason increased. Separate
out wheel gestures into Renderer4.MainThreadWheelScrollReason.

BUG=611186

Committed: https://crrev.com/3b55960dd01d394ef0f9fdcc5c12fbb31f6cdc94
Cr-Commit-Position: refs/heads/master@{#393240}
==========

[commit-bot: I haz the power, 2016-05-12 13:57:36]

Patchset 1 (id:??) landed as
https://crrev.com/3b55960dd01d394ef0f9fdcc5c12fbb31f6cdc94
Cr-Commit-Position: refs/heads/master@{#393240}