Revert of Enable sending frame-specific messages to the correct input router.

Revert of Enable sending frame-specific messages to the correct input router. (patchset #1 id:1 of https://codereview.chromium.org/2012933002/ )

Reason for revert:
Caused crashes because RFH::GetRenderWidgetHost() returns null unless the frame owns its own widget.  See https://crbug.com/614952.

Original issue's description:
> Enable sending frame-specific messages to the correct input router.
>
> Presently RenderFrameHostImpl::Send() does not use its own widget's
> input router when sending message, meaning messages to subframes could
> be sent to the wrong frame. This was discovered while trying to make
> InputMsg_SelectRange/InputHostMsg_SelectRange_Ack work properly for
> messages sent to an out-of-process iframe.
>
> BUG=470662
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
>
> Committed: https://crrev.com/7a22bf01ea55475b295e40f5bbfd1add2bc73649
> Cr-Commit-Position: refs/heads/master@{#396044}

TBR=wjmaclean@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=470662
Committed: https://crrev.com/6c93d01f53cabcbf405ed29f5345672d7e3455cf
Cr-Commit-Position: refs/heads/master@{#396201}

[Charlie Reis, 2016-05-26 16:55:32]

Created Revert of Enable sending frame-specific messages to the correct input
router.

[commit-bot: I haz the power, 2016-05-26 16:56:03]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2006423005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2006423005/1

[commit-bot: I haz the power, 2016-05-26 16:56:47]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-26 16:58:38]

Description was changed from

==========
Revert of Enable sending frame-specific messages to the correct input router.
(patchset #1 id:1 of https://codereview.chromium.org/2012933002/ )

Reason for revert:
Caused crashes because RFH::GetRenderWidgetHost() returns null unless the frame
owns its own widget.  See https://crbug.com/614952.

Original issue's description:
> Enable sending frame-specific messages to the correct input router.
> 
> Presently RenderFrameHostImpl::Send() does not use its own widget's
> input router when sending message, meaning messages to subframes could
> be sent to the wrong frame. This was discovered while trying to make
> InputMsg_SelectRange/InputHostMsg_SelectRange_Ack work properly for
> messages sent to an out-of-process iframe.
> 
> BUG=470662
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
> 
> Committed: https://crrev.com/7a22bf01ea55475b295e40f5bbfd1add2bc73649
> Cr-Commit-Position: refs/heads/master@{#396044}

TBR=wjmaclean@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=470662
==========

to

==========
Revert of Enable sending frame-specific messages to the correct input router.
(patchset #1 id:1 of https://codereview.chromium.org/2012933002/ )

Reason for revert:
Caused crashes because RFH::GetRenderWidgetHost() returns null unless the frame
owns its own widget.  See https://crbug.com/614952.

Original issue's description:
> Enable sending frame-specific messages to the correct input router.
>
> Presently RenderFrameHostImpl::Send() does not use its own widget's
> input router when sending message, meaning messages to subframes could
> be sent to the wrong frame. This was discovered while trying to make
> InputMsg_SelectRange/InputHostMsg_SelectRange_Ack work properly for
> messages sent to an out-of-process iframe.
>
> BUG=470662
> CQ_INCLUDE_TRYBOTS=tryserver.chromium.linux:linux_site_isolation
>
> Committed: https://crrev.com/7a22bf01ea55475b295e40f5bbfd1add2bc73649
> Cr-Commit-Position: refs/heads/master@{#396044}

TBR=wjmaclean@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=470662

Committed: https://crrev.com/6c93d01f53cabcbf405ed29f5345672d7e3455cf
Cr-Commit-Position: refs/heads/master@{#396201}
==========

[commit-bot: I haz the power, 2016-05-26 16:58:39]

Patchset 1 (id:??) landed as
https://crrev.com/6c93d01f53cabcbf405ed29f5345672d7e3455cf
Cr-Commit-Position: refs/heads/master@{#396201}