Make Editor::replaceSelectionWithFragment() to update layout tree explicitly

Make Editor::replaceSelectionWithFragment() to update layout tree explicitly

This patch makes |Editor::replaceSelectionWithFragment()| to update layout
tree explicitly for preparation of crrev.com/2089993003, Get rid of
|EUpdateStyle| parameter from |isEditablePosition()|.

BUG=623005
TEST=n/a; no behavior changes

Committed: https://crrev.com/20c47d5dabdf4e4170d53404bb93f4ca39677a46
Cr-Commit-Position: refs/heads/master@{#402099}

[yosin_UTC9, 2016-06-24 08:46:42]

Description was changed from

==========
2016-06-24T17:43:28

BUG=
==========

to

==========
Make Editor::replaceSelectionWithFragment() to update layout tree explicitly

This patch makes |Editor::replaceSelectionWithFragment()| to update layout
tree explicitly for preparation of crrev.com/2089993003, Get rid of
|EUpdateStyle| parameter from |isEditablePosition()|.


BUG=623005
TEST=n/a; no behavior changes
==========

[yosin_UTC9, 2016-06-24 09:12:38]

yosin@chromium.org changed reviewers:
+ yoichio@chromium.org

[yosin_UTC9, 2016-06-24 09:12:38]

PTAL

[yoichio, 2016-06-24 09:48:08]

lgtm

[yosin_UTC9, 2016-06-27 01:41:58]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2016-06-27 01:42:13]

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, 2016-06-27 02:53:30]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-27 02:56:36]

Description was changed from

==========
Make Editor::replaceSelectionWithFragment() to update layout tree explicitly

This patch makes |Editor::replaceSelectionWithFragment()| to update layout
tree explicitly for preparation of crrev.com/2089993003, Get rid of
|EUpdateStyle| parameter from |isEditablePosition()|.


BUG=623005
TEST=n/a; no behavior changes
==========

to

==========
Make Editor::replaceSelectionWithFragment() to update layout tree explicitly

This patch makes |Editor::replaceSelectionWithFragment()| to update layout
tree explicitly for preparation of crrev.com/2089993003, Get rid of
|EUpdateStyle| parameter from |isEditablePosition()|.

BUG=623005
TEST=n/a; no behavior changes

Committed: https://crrev.com/20c47d5dabdf4e4170d53404bb93f4ca39677a46
Cr-Commit-Position: refs/heads/master@{#402099}
==========

[commit-bot: I haz the power, 2016-06-27 02:56:37]

Patchset 1 (id:??) landed as
https://crrev.com/20c47d5dabdf4e4170d53404bb93f4ca39677a46
Cr-Commit-Position: refs/heads/master@{#402099}