Revert of [ios] Do not trigger context menu while scrolling.

Revert of [ios] Do not trigger context menu while scrolling. (patchset #1 id:1 of https://codereview.chromium.org/2452973003/ )

Reason for revert:
Breaking many integration tests on iOS downstream.

Original issue's description:
> [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}

TBR=kkhorimoto@chromium.org,eugenebut@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=642375
Committed: https://crrev.com/5abe79ab4b2768cb617e6bf97989aa093421078a
Cr-Commit-Position: refs/heads/master@{#427966}

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

The CQ bit was checked by bzanotti@chromium.org

[bzanotti, 2016-10-27 08:46:50]

Created Revert of [ios] Do not trigger context menu while scrolling.

[commit-bot: I haz the power, 2016-10-27 08:47:12]

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 08:48:25]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-27 08:51:04]

Description was changed from

==========
Revert of [ios] Do not trigger context menu while scrolling. (patchset #1 id:1
of https://codereview.chromium.org/2452973003/ )

Reason for revert:
Breaking many integration tests on iOS downstream.

Original issue's description:
> [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}

TBR=kkhorimoto@chromium.org,eugenebut@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=642375
==========

to

==========
Revert of [ios] Do not trigger context menu while scrolling. (patchset #1 id:1
of https://codereview.chromium.org/2452973003/ )

Reason for revert:
Breaking many integration tests on iOS downstream.

Original issue's description:
> [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}

TBR=kkhorimoto@chromium.org,eugenebut@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=642375

Committed: https://crrev.com/5abe79ab4b2768cb617e6bf97989aa093421078a
Cr-Commit-Position: refs/heads/master@{#427966}
==========

[commit-bot: I haz the power, 2016-10-27 08:51:05]

Patchset 1 (id:??) landed as
https://crrev.com/5abe79ab4b2768cb617e6bf97989aa093421078a
Cr-Commit-Position: refs/heads/master@{#427966}