Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208
Committed: https://crrev.com/1e99661f52c63318493bb12f05701405da3b42ea
Cr-Commit-Position: refs/heads/master@{#417566}

[wjmaclean, 2016-09-08 20:32:19]

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

[wjmaclean, 2016-09-08 20:32:47]

Description was changed from

==========
Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208
==========

to

==========
Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208
==========

[wjmaclean, 2016-09-08 20:32:47]

wjmaclean@chromium.org changed reviewers:
+ creis@chromium.org, kenrb@chromium.org

[wjmaclean, 2016-09-08 20:33:05]

Tiny fix-up ... ptal?

[commit-bot: I haz the power, 2016-09-08 20:33:24]

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

[kenrb, 2016-09-08 21:01:32]

lgtm

[Charlie Reis, 2016-09-08 21:12:40]

LGTM

[commit-bot: I haz the power, 2016-09-08 21:40:20]

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

[commit-bot: I haz the power, 2016-09-08 21:40:21]

Dry run: This issue passed the CQ dry run.

[wjmaclean, 2016-09-09 12:33:40]

The CQ bit was checked by wjmaclean@chromium.org

[commit-bot: I haz the power, 2016-09-09 12:33:55]

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, 2016-09-09 12:37:27]

Description was changed from

==========
Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208
==========

to

==========
Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208
==========

[commit-bot: I haz the power, 2016-09-09 12:37:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-09 12:39:39]

Description was changed from

==========
Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208
==========

to

==========
Dummy WebGestureEvent() sent to SendGestureScrollEvent() needs proper type.

At present, debug builds of Chrome can crash if your touch scrolling in
a cross-site iframe with --site-per-process enabled, and then you tap
in the parent frame. This happens when a 'dummy' WebGestureEvent is sent
to RenderWidgetHostInputEventRouter::SendGestureScrollEvent() without
defining its type. Since the function DCHECKs the type of the input
event, this causes a crash. This CL makes sure the event has an
appropriate type.

BUG=645208

Committed: https://crrev.com/1e99661f52c63318493bb12f05701405da3b42ea
Cr-Commit-Position: refs/heads/master@{#417566}
==========

[commit-bot: I haz the power, 2016-09-09 12:39:40]

Patchset 1 (id:??) landed as
https://crrev.com/1e99661f52c63318493bb12f05701405da3b42ea
Cr-Commit-Position: refs/heads/master@{#417566}