Transitions: Add layout test for hit-testing during composited transition

Transitions: Add layout test for hit-testing during composited transition

BUG=501297
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=200710

[dstockwell, 2015-08-18 02:52:59]

dstockwell@chromium.org changed reviewers:
+ alancutter@chromium.org, dtapuska@chromium.org

[alancutter (OOO until 2018), 2015-08-18 03:09:16]

lgtm though the numbers may need tweaking if this shows up too much on the
flakiness dashboard.

https://codereview.chromium.org/1297563003/diff/1/LayoutTests/transitions/com...
File LayoutTests/transitions/composited-with-hit-testing.html (right):

https://codereview.chromium.org/1297563003/diff/1/LayoutTests/transitions/com...
LayoutTests/transitions/composited-with-hit-testing.html:18:
setTimeout(function() {
Add comment explaining why setTimeout is necessary.

https://codereview.chromium.org/1297563003/diff/1/LayoutTests/transitions/com...
LayoutTests/transitions/composited-with-hit-testing.html:24: var tx =
+/([\d.]+), [\d.]+\)/.exec(getComputedStyle(t).transform)[1];
If you use the translate property this can be made simpler:
parseInt(getComputedStyle(t).translate)

[dstockwell, 2015-08-18 03:15:16]

The CQ bit was checked by dstockwell@chromium.org

[dstockwell, 2015-08-18 03:15:17]

The patchset sent to the CQ was uploaded after l-g-t-m from
alancutter@chromium.org
Link to the patchset: https://codereview.chromium.org/1297563003/#ps20001
(title: "comment")

[commit-bot: I haz the power, 2015-08-18 03:15:35]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1297563003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1297563003/20001

[commit-bot: I haz the power, 2015-08-18 06:24:48]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-08-18 06:24:48]

Try jobs failed on following builders:
  win_chromium_rel_ng on tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[dstockwell, 2015-08-18 06:47:14]

The CQ bit was checked by dstockwell@chromium.org

[commit-bot: I haz the power, 2015-08-18 06:47:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1297563003/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1297563003/20001

[commit-bot: I haz the power, 2015-08-18 07:22:16]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=200710