Make CompositeEditCommand::moveParagraph() to abort when destination becomes invisible

Make CompositeEditCommand::moveParagraph() to abort when destination becomes invisible

This patch makes |CompositeEditCommand::moveParagraph()| to abort when
destination of paragraph becomes invisible.

This patch also changes |assert_selection()| test utility to handle no BODY
element document to support attached test.

BUG=620873
TEST=LayoutTests/editing/execCommand/apply_style/justify_full_without_body_crash.html

Committed: https://crrev.com/1657802d64c2945eae971ca90bbb33a9e48f5026
Cr-Commit-Position: refs/heads/master@{#406738}

[yosin_UTC9, 2016-07-08 07:34:26]

Description was changed from

==========
2016-07-08T16:32:15

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

to

==========
Make CompositeEditCommand::moveParagraph() to abort when destination becomes
invisible

This patch makes |CompositeEditCommand::moveParagraph()| to abort when
destination of paragraph becomes invisible.

BUG=620873
TEST=LayoutTests/editing/execCommand/apply_style/justify_full_without_body_crash.html
==========

[yosin_UTC9, 2016-07-08 07:38:08]

Description was changed from

==========
Make CompositeEditCommand::moveParagraph() to abort when destination becomes
invisible

This patch makes |CompositeEditCommand::moveParagraph()| to abort when
destination of paragraph becomes invisible.

BUG=620873
TEST=LayoutTests/editing/execCommand/apply_style/justify_full_without_body_crash.html
==========

to

==========
Make CompositeEditCommand::moveParagraph() to abort when destination becomes
invisible

This patch makes |CompositeEditCommand::moveParagraph()| to abort when
destination of paragraph becomes invisible.

This patch also changes |assert_selection()| test utility to handle no BODY
element document to support attached test.

BUG=620873
TEST=LayoutTests/editing/execCommand/apply_style/justify_full_without_body_crash.html
==========

[yosin_UTC9, 2016-07-15 08:36:13]

The CQ bit was checked by yosin@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-15 08:36:28]

Dry run: 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, 2016-07-15 11:08:57]

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

[commit-bot: I haz the power, 2016-07-15 11:08:58]

Dry run: This issue passed the CQ dry run.

[yosin_UTC9, 2016-07-20 01:37:05]

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

[yosin_UTC9, 2016-07-20 01:37:06]

PTAL

[yoichio, 2016-07-20 02:02:33]

Please make another CL to change asset_selection.js and add test for it.

[yosin_UTC9, 2016-07-20 08:14:09]

The CQ bit was checked by yosin@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-07-20 08:14:28]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[yosin_UTC9, 2016-07-20 08:21:55]

PTAL

Move assert_selection.js changes to another CL.

[yoichio, 2016-07-20 09:03:14]

lgtm

[commit-bot: I haz the power, 2016-07-20 09:31:42]

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

[commit-bot: I haz the power, 2016-07-20 09:31:43]

Dry run: This issue passed the CQ dry run.

[yosin_UTC9, 2016-07-21 01:20:05]

The CQ bit was checked by yosin@chromium.org

[commit-bot: I haz the power, 2016-07-21 01:20:35]

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, 2016-07-21 01:26:01]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-07-21 01:28:37]

Description was changed from

==========
Make CompositeEditCommand::moveParagraph() to abort when destination becomes
invisible

This patch makes |CompositeEditCommand::moveParagraph()| to abort when
destination of paragraph becomes invisible.

This patch also changes |assert_selection()| test utility to handle no BODY
element document to support attached test.

BUG=620873
TEST=LayoutTests/editing/execCommand/apply_style/justify_full_without_body_crash.html
==========

to

==========
Make CompositeEditCommand::moveParagraph() to abort when destination becomes
invisible

This patch makes |CompositeEditCommand::moveParagraph()| to abort when
destination of paragraph becomes invisible.

This patch also changes |assert_selection()| test utility to handle no BODY
element document to support attached test.

BUG=620873
TEST=LayoutTests/editing/execCommand/apply_style/justify_full_without_body_crash.html

Committed: https://crrev.com/1657802d64c2945eae971ca90bbb33a9e48f5026
Cr-Commit-Position: refs/heads/master@{#406738}
==========

[commit-bot: I haz the power, 2016-07-21 01:28:39]

Patchset 3 (id:??) landed as
https://crrev.com/1657802d64c2945eae971ca90bbb33a9e48f5026
Cr-Commit-Position: refs/heads/master@{#406738}