Revert of Add a window property to associate RWHVA with its child AX tree ID

Revert of Add a window property to associate RWHVA with its child AX tree ID (patchset #4 id:60001 of https://codereview.chromium.org/2742533003/ )

Reason for revert:
It looks like this causes the (static initializers) sizes step to fail:

https://luci-milo.appspot.com/buildbot/chromium/Linux%20x64/35021

Original issue's description:
> Add a window property to associate RWHVA with its child AX tree ID
> 
> Working on making the Chrome OS virtual keyboard accessible to select-to-speak
> and other accessibility services. Currently we link a views::WebView to its
> inner web accessibility tree, but the VK just puts a WebContents directly in
> an aura Window.
> 
> This change hooks them up by adding the child AX tree ID as a window property.
> 
> BUG=699617
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation
> 
> Review-Url: https://codereview.chromium.org/2742533003
> Cr-Commit-Position: refs/heads/master@{#456445}
> Committed: https://chromium.googlesource.com/chromium/src/+/05107990b575defc12ba29da8ae17a8660a29b67

TBR=sky@chromium.org,dtseng@chromium.org,jam@chromium.org,dmazzoni@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=699617
Review-Url: https://codereview.chromium.org/2751503002
Cr-Commit-Position: refs/heads/master@{#456479}
Committed: https://chromium.googlesource.com/chromium/src/+/4a204455d3793edd5b016c99225df4241c928237

[qyearsley, 2017-03-13 20:44:35]

The CQ bit was checked by qyearsley@chromium.org

[qyearsley, 2017-03-13 20:44:35]

Created Revert of Add a window property to associate RWHVA with its child AX
tree ID

[commit-bot: I haz the power, 2017-03-13 20:45:22]

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, 2017-03-13 21:05:36]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489437875437790, "parent_rev":
"1ba1ed8d70cc0f0db142b64bbefb997ef8efbe3c", "commit_rev":
"4a204455d3793edd5b016c99225df4241c928237"}

[commit-bot: I haz the power, 2017-03-13 21:06:15]

Description was changed from

==========
Revert of Add a window property to associate RWHVA with its child AX tree ID
(patchset #4 id:60001 of https://codereview.chromium.org/2742533003/ )

Reason for revert:
It looks like this causes the (static initializers) sizes step to fail:

https://luci-milo.appspot.com/buildbot/chromium/Linux%20x64/35021

Original issue's description:
> Add a window property to associate RWHVA with its child AX tree ID
> 
> Working on making the Chrome OS virtual keyboard accessible to select-to-speak
> and other accessibility services. Currently we link a views::WebView to its
> inner web accessibility tree, but the VK just puts a WebContents directly in
> an aura Window.
> 
> This change hooks them up by adding the child AX tree ID as a window property.
> 
> BUG=699617
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation
> 
> Review-Url: https://codereview.chromium.org/2742533003
> Cr-Commit-Position: refs/heads/master@{#456445}
> Committed:
https://chromium.googlesource.com/chromium/src/+/05107990b575defc12ba29da8ae1...

TBR=sky@chromium.org,dtseng@chromium.org,jam@chromium.org,dmazzoni@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=699617
==========

to

==========
Revert of Add a window property to associate RWHVA with its child AX tree ID
(patchset #4 id:60001 of https://codereview.chromium.org/2742533003/ )

Reason for revert:
It looks like this causes the (static initializers) sizes step to fail:

https://luci-milo.appspot.com/buildbot/chromium/Linux%20x64/35021

Original issue's description:
> Add a window property to associate RWHVA with its child AX tree ID
> 
> Working on making the Chrome OS virtual keyboard accessible to select-to-speak
> and other accessibility services. Currently we link a views::WebView to its
> inner web accessibility tree, but the VK just puts a WebContents directly in
> an aura Window.
> 
> This change hooks them up by adding the child AX tree ID as a window property.
> 
> BUG=699617
> CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_site_isolation
> 
> Review-Url: https://codereview.chromium.org/2742533003
> Cr-Commit-Position: refs/heads/master@{#456445}
> Committed:
https://chromium.googlesource.com/chromium/src/+/05107990b575defc12ba29da8ae1...

TBR=sky@chromium.org,dtseng@chromium.org,jam@chromium.org,dmazzoni@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=699617

Review-Url: https://codereview.chromium.org/2751503002
Cr-Commit-Position: refs/heads/master@{#456479}
Committed:
https://chromium.googlesource.com/chromium/src/+/4a204455d3793edd5b016c99225d...
==========

[commit-bot: I haz the power, 2017-03-13 21:06:17]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/4a204455d3793edd5b016c99225d...