Revert of IPC::ParamTraits for ui::Event (towards ui::Events over mojo IPC)

Revert of IPC::ParamTraits for ui::Event (towards ui::Events over mojo IPC) (patchset #18 id:340001 of https://codereview.chromium.org/1695783002/ )

Reason for revert:
Breaks compile: https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN%20%28dbg%29/builds/19183

Original issue's description:
> Implements and tests IPC::ParamTraits for ui::Event (towards ui::Events over mojo IPC). Support for (scoped) pointers for abstract ui::Event objects implemented using ui::ScopedEvent, and trusting ui::EventType information to instantiate the correct concrete type.
>
> BUG=584687
>
> Committed: https://crrev.com/482ddfefe2602f440146eebf4b56e8e040fb81fa
> Cr-Commit-Position: refs/heads/master@{#378821}
>
> Committed: https://crrev.com/74b231ad33ec44bc2662fef2831a3cd90e1f3834
> Cr-Commit-Position: refs/heads/master@{#379094}

TBR=rockot@chromium.org,sadrul@chromium.org,kenrb@chromium.org,tsepez@chromium.org,jam@chromium.org,sky@chromium.org,fsamuel@chromium.org,markdittmer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=584687
Committed: https://crrev.com/6b7bd07d9d9494437e901881d3938297b261bb98
Cr-Commit-Position: refs/heads/master@{#379123}

[Dmitry Titov, 2016-03-03 22:39:09]

Created Revert of IPC::ParamTraits for ui::Event (towards ui::Events over mojo
IPC)

[commit-bot: I haz the power, 2016-03-03 22:39:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1765693002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1765693002/1

[commit-bot: I haz the power, 2016-03-03 22:40:50]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-03 22:42:36]

Description was changed from

==========
Revert of IPC::ParamTraits for ui::Event (towards ui::Events over mojo IPC)
(patchset #18 id:340001 of https://codereview.chromium.org/1695783002/ )

Reason for revert:
Breaks compile:
https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN%20%28dbg%29...

Original issue's description:
> Implements and tests IPC::ParamTraits for ui::Event (towards ui::Events over
mojo IPC). Support for (scoped) pointers for abstract ui::Event objects
implemented using ui::ScopedEvent, and trusting ui::EventType information to
instantiate the correct concrete type.
> 
> BUG=584687
> 
> Committed: https://crrev.com/482ddfefe2602f440146eebf4b56e8e040fb81fa
> Cr-Commit-Position: refs/heads/master@{#378821}
> 
> Committed: https://crrev.com/74b231ad33ec44bc2662fef2831a3cd90e1f3834
> Cr-Commit-Position: refs/heads/master@{#379094}

TBR=rockot@chromium.org,sadrul@chromium.org,kenrb@chromium.org,tsepez@chromiu...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=584687
==========

to

==========
Revert of IPC::ParamTraits for ui::Event (towards ui::Events over mojo IPC)
(patchset #18 id:340001 of https://codereview.chromium.org/1695783002/ )

Reason for revert:
Breaks compile:
https://build.chromium.org/p/chromium.win/builders/Win%20x64%20GN%20%28dbg%29...

Original issue's description:
> Implements and tests IPC::ParamTraits for ui::Event (towards ui::Events over
mojo IPC). Support for (scoped) pointers for abstract ui::Event objects
implemented using ui::ScopedEvent, and trusting ui::EventType information to
instantiate the correct concrete type.
>
> BUG=584687
>
> Committed: https://crrev.com/482ddfefe2602f440146eebf4b56e8e040fb81fa
> Cr-Commit-Position: refs/heads/master@{#378821}
>
> Committed: https://crrev.com/74b231ad33ec44bc2662fef2831a3cd90e1f3834
> Cr-Commit-Position: refs/heads/master@{#379094}

TBR=rockot@chromium.org,sadrul@chromium.org,kenrb@chromium.org,tsepez@chromiu...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=584687

Committed: https://crrev.com/6b7bd07d9d9494437e901881d3938297b261bb98
Cr-Commit-Position: refs/heads/master@{#379123}
==========

[commit-bot: I haz the power, 2016-03-03 22:42:37]

Patchset 1 (id:??) landed as
https://crrev.com/6b7bd07d9d9494437e901881d3938297b261bb98
Cr-Commit-Position: refs/heads/master@{#379123}