Reland of Exposed the children of elements with role textbox in order to make rich text information available…

Reland of Exposed the children of elements with role textbox in order to make rich text information available… (patchset #1 id:1 of https://codereview.chromium.org/1823053002/ )

Reason for revert:
Relanding https://codereview.chromium.org/1821723002/ as the problematic bot went green before this revert landed

Original issue's description:
> Revert of Exposed the children of elements with role textbox in order to make rich text information available… (patchset #4 id:60001 of https://codereview.chromium.org/1821723002/ )
>
> Reason for revert:
> Seeing if this patch is responsible for Win7 browser_tests timeouts that seem like they could be related, e.g. the following (note that the error output at least from my POV is not illuminating; the test then times out).
>
> ContentSettingsExceptionAreaWebUITest.testOpenContentSettingsExceptionArea (run #1):
> [ RUN      ] ContentSettingsExceptionAreaWebUITest.testOpenContentSettingsExceptionArea
> [1480:4536:0322/031442:WARNING:histogram_base.cc(131)] 2 histograms were created before reporting was enabled.
> [4836:2768:0322/031445:WARNING:histogram_base.cc(131)] 2 histograms were created before reporting was enabled.
> [1480:4536:0322/031446:ERROR:shell.cc(302)] Error: Instance: exe:chrome attempting to register an instance for a process it created for target: exe:chrome_renderer without the mojo:shell{client_process} capability class.
> [3016:3588:0322/031447:WARNING:histogram_base.cc(131)] 2 histograms were created before reporting was enabled.
> [1480:4536:0322/031448:ERROR:shell.cc(302)] Error: Instance: exe:chrome attempting to register an instance for a process it created for target: exe:chrome_renderer without the mojo:shell{client_process} capability class.
> [2800:3724:0322/031450:WARNING:histogram_base.cc(131)] 2 histograms were created before reporting was enabled.
> [1480:4536:0322/031453:WARNING:CONSOLE(0)] "/deep/ combinator is deprecated. See https://www.chromestatus.com/features/6750456638341120 for more details.", source:  (0)
> [2800:3724:0322/031456:ERROR:singleton_hwnd.cc(34)] Cannot create windows on non-UI thread!
> [1480:4536:0322/031458:INFO:CONSOLE(1180)] "Running TestCase ContentSettingsExceptionAreaWebUITest.MAYBE_testOpenContentSettingsExceptionArea", source: test_api.js (1180)
>
> Example failing run:
>
> https://build.chromium.org/p/chromium.win/buildstatus?builder=Win7%20Tests%20%28dbg%29%281%29&number=47091
>
> Will reland if this revert doesn't fix the problem.
>
> Original issue's description:
> > Exposed the children of elements with role textbox in order to make rich text information available to Windows screen readers.
> >
> > If we have an HTML element with role="textbox" we correctly assign it an IA role of ROLE_SYSTEM_TEXT. This is the same as what FireFox does.
> > However, contrary to an <input> or <textarea> element, we should expose its children so that any rich text information would be available to Windows screen readers.
> > Note that we also keep exposing a flatten representation of the children's text in the value attribute because Jaws and older versions of VoiceOver require it.
> > BUG=542998
> > TESTED:browser tests, Blink layout tests, manually with Jaws and NVDA with <input>, content editable and content editable with role="textbox"
> > R=dmazzoni@chromium.org
> >
> > Committed: https://crrev.com/9a702688af0b856d52e96f1ce9b5346714ce8985
> > Cr-Commit-Position: refs/heads/master@{#382526}
>
> TBR=dmazzoni@chromium.org,nektar@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=542998
>
> Committed: https://crrev.com/bbe3ff03484cc92bb9d75dfe22989e1d1fa69ada
> Cr-Commit-Position: refs/heads/master@{#382546}

TBR=dmazzoni@chromium.org,nektar@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=542998
Committed: https://crrev.com/489ec0ba4f1b4d10c9c7f08fee75b0eae4dcdf5d
Cr-Commit-Position: refs/heads/master@{#382565}

[blundell, 2016-03-22 12:09:43]

Created Reland of Exposed the children of elements with role textbox in order to
make rich text information available…

[commit-bot: I haz the power, 2016-03-22 13:48:29]

Description was changed from

==========
Reland of Exposed the children of elements with role textbox in order to make
rich text information available… (patchset #1 id:1 of
https://codereview.chromium.org/1823053002/ )

Reason for revert:
Relanding https://codereview.chromium.org/1821723002/ as the problematic bot
went green before this revert landed

Original issue's description:
> Revert of Exposed the children of elements with role textbox in order to make
rich text information available… (patchset #4 id:60001 of
https://codereview.chromium.org/1821723002/ )
> 
> Reason for revert:
> Seeing if this patch is responsible for Win7 browser_tests timeouts that seem
like they could be related, e.g. the following (note that the error output at
least from my POV is not illuminating; the test then times out).
> 
> ContentSettingsExceptionAreaWebUITest.testOpenContentSettingsExceptionArea
(run #1):
> [ RUN      ]
ContentSettingsExceptionAreaWebUITest.testOpenContentSettingsExceptionArea
> [1480:4536:0322/031442:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [4836:2768:0322/031445:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [1480:4536:0322/031446:ERROR:shell.cc(302)] Error: Instance: exe:chrome
attempting to register an instance for a process it created for target:
exe:chrome_renderer without the mojo:shell{client_process} capability class.
> [3016:3588:0322/031447:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [1480:4536:0322/031448:ERROR:shell.cc(302)] Error: Instance: exe:chrome
attempting to register an instance for a process it created for target:
exe:chrome_renderer without the mojo:shell{client_process} capability class.
> [2800:3724:0322/031450:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [1480:4536:0322/031453:WARNING:CONSOLE(0)] "/deep/ combinator is deprecated.
See https://www.chromestatus.com/features/6750456638341120 for more details.",
source:  (0)
> [2800:3724:0322/031456:ERROR:singleton_hwnd.cc(34)] Cannot create windows on
non-UI thread!
> [1480:4536:0322/031458:INFO:CONSOLE(1180)] "Running TestCase
ContentSettingsExceptionAreaWebUITest.MAYBE_testOpenContentSettingsExceptionArea",
source: test_api.js (1180)
> 
> Example failing run:
> 
>
https://build.chromium.org/p/chromium.win/buildstatus?builder=Win7%20Tests%20...
> 
> Will reland if this revert doesn't fix the problem.
> 
> Original issue's description:
> > Exposed the children of elements with role textbox in order to make rich
text information available to Windows screen readers.
> >
> > If we have an HTML element with role="textbox" we correctly assign it an IA
role of ROLE_SYSTEM_TEXT. This is the same as what FireFox does.
> > However, contrary to an <input> or <textarea> element, we should expose its
children so that any rich text information would be available to Windows screen
readers.
> > Note that we also keep exposing a flatten representation of the children's
text in the value attribute because Jaws and older versions of VoiceOver require
it.
> > BUG=542998
> > TESTED:browser tests, Blink layout tests, manually with Jaws and NVDA with
<input>, content editable and content editable with role="textbox"
> > R=dmazzoni@chromium.org
> >
> > Committed: https://crrev.com/9a702688af0b856d52e96f1ce9b5346714ce8985
> > Cr-Commit-Position: refs/heads/master@{#382526}
> 
> TBR=dmazzoni@chromium.org,nektar@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=542998
> 
> Committed: https://crrev.com/bbe3ff03484cc92bb9d75dfe22989e1d1fa69ada
> Cr-Commit-Position: refs/heads/master@{#382546}

TBR=dmazzoni@chromium.org,nektar@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=542998
==========

to

==========
Reland of Exposed the children of elements with role textbox in order to make
rich text information available… (patchset #1 id:1 of
https://codereview.chromium.org/1823053002/ )

Reason for revert:
Relanding https://codereview.chromium.org/1821723002/ as the problematic bot
went green before this revert landed

Original issue's description:
> Revert of Exposed the children of elements with role textbox in order to make
rich text information available… (patchset #4 id:60001 of
https://codereview.chromium.org/1821723002/ )
>
> Reason for revert:
> Seeing if this patch is responsible for Win7 browser_tests timeouts that seem
like they could be related, e.g. the following (note that the error output at
least from my POV is not illuminating; the test then times out).
>
> ContentSettingsExceptionAreaWebUITest.testOpenContentSettingsExceptionArea
(run #1):
> [ RUN      ]
ContentSettingsExceptionAreaWebUITest.testOpenContentSettingsExceptionArea
> [1480:4536:0322/031442:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [4836:2768:0322/031445:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [1480:4536:0322/031446:ERROR:shell.cc(302)] Error: Instance: exe:chrome
attempting to register an instance for a process it created for target:
exe:chrome_renderer without the mojo:shell{client_process} capability class.
> [3016:3588:0322/031447:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [1480:4536:0322/031448:ERROR:shell.cc(302)] Error: Instance: exe:chrome
attempting to register an instance for a process it created for target:
exe:chrome_renderer without the mojo:shell{client_process} capability class.
> [2800:3724:0322/031450:WARNING:histogram_base.cc(131)] 2 histograms were
created before reporting was enabled.
> [1480:4536:0322/031453:WARNING:CONSOLE(0)] "/deep/ combinator is deprecated.
See https://www.chromestatus.com/features/6750456638341120 for more details.",
source:  (0)
> [2800:3724:0322/031456:ERROR:singleton_hwnd.cc(34)] Cannot create windows on
non-UI thread!
> [1480:4536:0322/031458:INFO:CONSOLE(1180)] "Running TestCase
ContentSettingsExceptionAreaWebUITest.MAYBE_testOpenContentSettingsExceptionArea",
source: test_api.js (1180)
>
> Example failing run:
>
>
https://build.chromium.org/p/chromium.win/buildstatus?builder=Win7%20Tests%20...
>
> Will reland if this revert doesn't fix the problem.
>
> Original issue's description:
> > Exposed the children of elements with role textbox in order to make rich
text information available to Windows screen readers.
> >
> > If we have an HTML element with role="textbox" we correctly assign it an IA
role of ROLE_SYSTEM_TEXT. This is the same as what FireFox does.
> > However, contrary to an <input> or <textarea> element, we should expose its
children so that any rich text information would be available to Windows screen
readers.
> > Note that we also keep exposing a flatten representation of the children's
text in the value attribute because Jaws and older versions of VoiceOver require
it.
> > BUG=542998
> > TESTED:browser tests, Blink layout tests, manually with Jaws and NVDA with
<input>, content editable and content editable with role="textbox"
> > R=dmazzoni@chromium.org
> >
> > Committed: https://crrev.com/9a702688af0b856d52e96f1ce9b5346714ce8985
> > Cr-Commit-Position: refs/heads/master@{#382526}
>
> TBR=dmazzoni@chromium.org,nektar@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=542998
>
> Committed: https://crrev.com/bbe3ff03484cc92bb9d75dfe22989e1d1fa69ada
> Cr-Commit-Position: refs/heads/master@{#382546}

TBR=dmazzoni@chromium.org,nektar@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=542998

Committed: https://crrev.com/489ec0ba4f1b4d10c9c7f08fee75b0eae4dcdf5d
Cr-Commit-Position: refs/heads/master@{#382565}
==========