Reland of cursor changes to RenderWidgetHostViewAura.

Reland of cursor changes to RenderWidgetHostViewAura. (patchset #1 id:1 of https://codereview.chromium.org/2042213003/ )

Reason for revert:
Relanding, didn't seem to help.

Original issue's description:
> Revert of Revert cursor changes to RenderWidgetHostViewAura. (patchset #2 id:20001 of https://codereview.chromium.org/2027693003/ )
>
> Reason for revert:
> Speculative revert for very small likelihood of causing elevated crash rates as detailed in https://bugs.chromium.org/p/chromium/issues/detail?id=616399
>
> Original issue's description:
> > Revert cursor changes to RenderWidgetHostViewAura.
> >
> > This is a selective revert of one file from
> > https://codereview.chromium.org/1945423002, which was breaking cursor
> > changes on zoom in/zoom out on the Linux version of chrome.
> >
> > BUG=602727, 614654
> >
> > Committed: https://crrev.com/b9020bacdaff760ec0acc4fc5e9db9239438636d
> > Cr-Commit-Position: refs/heads/master@{#396977}
>
> TBR=sadrul@chromium.org,erg@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=602727, 614654
>
> Committed: https://crrev.com/2161ef83c680c890b8f3beacac4984065eb2bd50
> Cr-Commit-Position: refs/heads/master@{#398445}

TBR=sadrul@chromium.org,erg@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=602727, 614654
Committed: https://crrev.com/bf6f1be98c75b02ae4d4a6a0b5f330ff968e8b40
Cr-Commit-Position: refs/heads/master@{#400213}

[scottmg, 2016-06-16 17:25:26]

The CQ bit was checked by scottmg@chromium.org

[scottmg, 2016-06-16 17:25:26]

Created Reland of cursor changes to RenderWidgetHostViewAura.

[commit-bot: I haz the power, 2016-06-16 17:25:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2071903003/1

[commit-bot: I haz the power, 2016-06-16 18:37:36]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-16 18:37:42]

CQ bit was unchecked

[commit-bot: I haz the power, 2016-06-16 18:39:55]

Description was changed from

==========
Reland of cursor changes to RenderWidgetHostViewAura. (patchset #1 id:1 of
https://codereview.chromium.org/2042213003/ )

Reason for revert:
Relanding, didn't seem to help.

Original issue's description:
> Revert of Revert cursor changes to RenderWidgetHostViewAura. (patchset #2
id:20001 of https://codereview.chromium.org/2027693003/ )
> 
> Reason for revert:
> Speculative revert for very small likelihood of causing elevated crash rates
as detailed in https://bugs.chromium.org/p/chromium/issues/detail?id=616399
> 
> Original issue's description:
> > Revert cursor changes to RenderWidgetHostViewAura.
> >
> > This is a selective revert of one file from
> > https://codereview.chromium.org/1945423002, which was breaking cursor
> > changes on zoom in/zoom out on the Linux version of chrome.
> >
> > BUG=602727,614654
> >
> > Committed: https://crrev.com/b9020bacdaff760ec0acc4fc5e9db9239438636d
> > Cr-Commit-Position: refs/heads/master@{#396977}
> 
> TBR=sadrul@chromium.org,erg@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=602727,614654
> 
> Committed: https://crrev.com/2161ef83c680c890b8f3beacac4984065eb2bd50
> Cr-Commit-Position: refs/heads/master@{#398445}

TBR=sadrul@chromium.org,erg@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=602727,614654
==========

to

==========
Reland of cursor changes to RenderWidgetHostViewAura. (patchset #1 id:1 of
https://codereview.chromium.org/2042213003/ )

Reason for revert:
Relanding, didn't seem to help.

Original issue's description:
> Revert of Revert cursor changes to RenderWidgetHostViewAura. (patchset #2
id:20001 of https://codereview.chromium.org/2027693003/ )
>
> Reason for revert:
> Speculative revert for very small likelihood of causing elevated crash rates
as detailed in https://bugs.chromium.org/p/chromium/issues/detail?id=616399
>
> Original issue's description:
> > Revert cursor changes to RenderWidgetHostViewAura.
> >
> > This is a selective revert of one file from
> > https://codereview.chromium.org/1945423002, which was breaking cursor
> > changes on zoom in/zoom out on the Linux version of chrome.
> >
> > BUG=602727,614654
> >
> > Committed: https://crrev.com/b9020bacdaff760ec0acc4fc5e9db9239438636d
> > Cr-Commit-Position: refs/heads/master@{#396977}
>
> TBR=sadrul@chromium.org,erg@chromium.org
> # Not skipping CQ checks because original CL landed more than 1 days ago.
> BUG=602727,614654
>
> Committed: https://crrev.com/2161ef83c680c890b8f3beacac4984065eb2bd50
> Cr-Commit-Position: refs/heads/master@{#398445}

TBR=sadrul@chromium.org,erg@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=602727,614654

Committed: https://crrev.com/bf6f1be98c75b02ae4d4a6a0b5f330ff968e8b40
Cr-Commit-Position: refs/heads/master@{#400213}
==========

[commit-bot: I haz the power, 2016-06-16 18:39:57]

Patchset 1 (id:??) landed as
https://crrev.com/bf6f1be98c75b02ae4d4a6a0b5f330ff968e8b40
Cr-Commit-Position: refs/heads/master@{#400213}