Revert of [TTS] Gather surrounding text on Tap before any UX.

Revert of [TTS] Gather surrounding text on Tap before any UX. (patchset #13 id:240001 of https://codereview.chromium.org/2211353002/ )

Reason for revert:
Suspected of causing try flakes in ContextualSearchManagerTest#testPromoTapCount:

https://bugs.chromium.org/p/chromium/issues/detail?id=647210

Original issue's description:
> [TTS] Gather surrounding text on Tap before any UX.
>
> Extract the text tapped on to use as a signal in Tap Suppression.
> The text is extracted before any UX is displayed in order to allow the
> tap to be totally ignored when appropriate.  Feeding the surrounding
> text into the logic of TTS will be done separately.
>
> This adds several files that are part of the 2016-refactoring.
> See crbug.com/624609 and go/cs-refactoring-2016.
>
> This CL is part of the refactoring-2016 effort, see go/cs-refactoring-2016
> for details.
>
> BUG=634136, 624609
>
> Committed: https://crrev.com/3f11e42880b1b7b6608e2d57fa538552318367ae
> Cr-Commit-Position: refs/heads/master@{#418464}

TBR=twellington@chromium.org,pedrosimonetti@chromium.org,tedchoc@chromium.org,donnd@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=634136, 624609
Committed: https://crrev.com/1dbb5e84a2682cdbc17093d9e1f5d1c40de46e80
Cr-Commit-Position: refs/heads/master@{#418873}

[jbroman, 2016-09-15 14:52:40]

Created Revert of [TTS] Gather surrounding text on Tap before any UX.

[jbroman, 2016-09-15 14:52:54]

The CQ bit was checked by jbroman@chromium.org

[commit-bot: I haz the power, 2016-09-15 14:53:08]

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, 2016-09-15 15:40:39]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-15 15:43:21]

Description was changed from

==========
Revert of [TTS] Gather surrounding text on Tap before any UX. (patchset #13
id:240001 of https://codereview.chromium.org/2211353002/ )

Reason for revert:
Suspected of causing try flakes in
ContextualSearchManagerTest#testPromoTapCount:

https://bugs.chromium.org/p/chromium/issues/detail?id=647210

Original issue's description:
> [TTS] Gather surrounding text on Tap before any UX.
> 
> Extract the text tapped on to use as a signal in Tap Suppression.
> The text is extracted before any UX is displayed in order to allow the
> tap to be totally ignored when appropriate.  Feeding the surrounding
> text into the logic of TTS will be done separately.
> 
> This adds several files that are part of the 2016-refactoring.
> See crbug.com/624609 and go/cs-refactoring-2016.
> 
> This CL is part of the refactoring-2016 effort, see go/cs-refactoring-2016
> for details.
> 
> BUG=634136, 624609
> 
> Committed: https://crrev.com/3f11e42880b1b7b6608e2d57fa538552318367ae
> Cr-Commit-Position: refs/heads/master@{#418464}

TBR=twellington@chromium.org,pedrosimonetti@chromium.org,tedchoc@chromium.org...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=634136, 624609
==========

to

==========
Revert of [TTS] Gather surrounding text on Tap before any UX. (patchset #13
id:240001 of https://codereview.chromium.org/2211353002/ )

Reason for revert:
Suspected of causing try flakes in
ContextualSearchManagerTest#testPromoTapCount:

https://bugs.chromium.org/p/chromium/issues/detail?id=647210

Original issue's description:
> [TTS] Gather surrounding text on Tap before any UX.
>
> Extract the text tapped on to use as a signal in Tap Suppression.
> The text is extracted before any UX is displayed in order to allow the
> tap to be totally ignored when appropriate.  Feeding the surrounding
> text into the logic of TTS will be done separately.
>
> This adds several files that are part of the 2016-refactoring.
> See crbug.com/624609 and go/cs-refactoring-2016.
>
> This CL is part of the refactoring-2016 effort, see go/cs-refactoring-2016
> for details.
>
> BUG=634136, 624609
>
> Committed: https://crrev.com/3f11e42880b1b7b6608e2d57fa538552318367ae
> Cr-Commit-Position: refs/heads/master@{#418464}

TBR=twellington@chromium.org,pedrosimonetti@chromium.org,tedchoc@chromium.org...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=634136, 624609

Committed: https://crrev.com/1dbb5e84a2682cdbc17093d9e1f5d1c40de46e80
Cr-Commit-Position: refs/heads/master@{#418873}
==========

[commit-bot: I haz the power, 2016-09-15 15:43:23]

Patchset 1 (id:??) landed as
https://crrev.com/1dbb5e84a2682cdbc17093d9e1f5d1c40de46e80
Cr-Commit-Position: refs/heads/master@{#418873}