[Editing][CodeHealth] Make Node::rootEditableElement static

[Editing][CodeHealth] Make Node::rootEditableElement static

Make Node::isRootEditableElement(), rootEditableElement(),  and
rootEditableElement(EditableType) static.

This is preparation to move all Node::*editable* functions to core/editing/

TEST=No change in behavior

Committed: https://crrev.com/24ea6629ef3f75e2dc01d438729d18918a80f80b
Cr-Commit-Position: refs/heads/master@{#405034}

[yoichio, 2016-07-12 04:15:28]

Description was changed from

==========
node::root

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

to

==========
[Editing][CodeHealth] Make Node::rootEditableElement static

Make Node::isRootEditableElement(), rootEditableElement(),  and 
rootEditableElement(EditableType) static.

This is preparation to move all Node::*editable* functions to core/editing/

TEST=No change in behavior
==========

[yoichio, 2016-07-12 04:15:28]

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

[yosin_UTC9, 2016-07-12 04:17:10]

lgtm

[tkent, 2016-07-12 08:01:22]

lgtm

[yoichio, 2016-07-12 08:12:01]

The CQ bit was checked by yoichio@chromium.org

[commit-bot: I haz the power, 2016-07-12 08:12:45]

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, 2016-07-12 12:14:59]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-07-12 12:15:00]

Try jobs failed on following builders:
  linux_chromium_asan_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[yoichio, 2016-07-13 01:37:05]

The CQ bit was checked by yoichio@chromium.org

[commit-bot: I haz the power, 2016-07-13 01:39:03]

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, 2016-07-13 05:03:18]

Description was changed from

==========
[Editing][CodeHealth] Make Node::rootEditableElement static

Make Node::isRootEditableElement(), rootEditableElement(),  and 
rootEditableElement(EditableType) static.

This is preparation to move all Node::*editable* functions to core/editing/

TEST=No change in behavior
==========

to

==========
[Editing][CodeHealth] Make Node::rootEditableElement static

Make Node::isRootEditableElement(), rootEditableElement(),  and 
rootEditableElement(EditableType) static.

This is preparation to move all Node::*editable* functions to core/editing/

TEST=No change in behavior
==========

[commit-bot: I haz the power, 2016-07-13 05:03:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-13 05:03:26]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-13 05:06:04]

Description was changed from

==========
[Editing][CodeHealth] Make Node::rootEditableElement static

Make Node::isRootEditableElement(), rootEditableElement(),  and 
rootEditableElement(EditableType) static.

This is preparation to move all Node::*editable* functions to core/editing/

TEST=No change in behavior
==========

to

==========
[Editing][CodeHealth] Make Node::rootEditableElement static

Make Node::isRootEditableElement(), rootEditableElement(),  and
rootEditableElement(EditableType) static.

This is preparation to move all Node::*editable* functions to core/editing/

TEST=No change in behavior

Committed: https://crrev.com/24ea6629ef3f75e2dc01d438729d18918a80f80b
Cr-Commit-Position: refs/heads/master@{#405034}
==========

[commit-bot: I haz the power, 2016-07-13 05:06:06]

Patchset 1 (id:??) landed as
https://crrev.com/24ea6629ef3f75e2dc01d438729d18918a80f80b
Cr-Commit-Position: refs/heads/master@{#405034}