[ios] Do not trigger context menu while scrolling.

[ios] Do not trigger context menu while scrolling.

Fail _contextMenuRecognizer if webview's scroll view
panGestureRecognizer was recognized.

BUG=642375
Committed: https://crrev.com/033350786362e99d206a97e0e656c2e0a478e3c9
Cr-Commit-Position: refs/heads/master@{#427888}

[Eugene But (OOO till 7-30), 2016-10-26 21:42:24]

The CQ bit was checked by eugenebut@chromium.org to run a CQ dry run

[Eugene But (OOO till 7-30), 2016-10-26 21:42:41]

eugenebut@chromium.org changed reviewers:
+ kkhorimoto@chromium.org

[commit-bot: I haz the power, 2016-10-26 21:43:28]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-26 21:59:36]

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

[commit-bot: I haz the power, 2016-10-26 21:59:37]

Dry run: This issue passed the CQ dry run.

[kkhorimoto, 2016-10-27 00:13:52]

The CQ bit was checked by kkhorimoto@chromium.org

[kkhorimoto, 2016-10-27 00:13:53]

lgtm

[commit-bot: I haz the power, 2016-10-27 00:14:25]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-27 00:19:17]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-27 00:20:59]

Description was changed from

==========
[ios] Do not trigger context menu while scrolling.

Fail _contextMenuRecognizer if webview's scroll view
panGestureRecognizer was recognized.

BUG=642375
==========

to

==========
[ios] Do not trigger context menu while scrolling.

Fail _contextMenuRecognizer if webview's scroll view
panGestureRecognizer was recognized.

BUG=642375

Committed: https://crrev.com/033350786362e99d206a97e0e656c2e0a478e3c9
Cr-Commit-Position: refs/heads/master@{#427888}
==========

[commit-bot: I haz the power, 2016-10-27 00:21:01]

Patchset 1 (id:??) landed as
https://crrev.com/033350786362e99d206a97e0e656c2e0a478e3c9
Cr-Commit-Position: refs/heads/master@{#427888}

[bzanotti, 2016-10-27 08:46:49]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2453903003/ by bzanotti@chromium.org.

The reason for reverting is: Breaking many integration tests on iOS downstream..