Widgets: Toggle widget arrow when the widget is closed using Close link.

props senff.
fixes #29617.
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git-svn-id: http://core.svn.wordpress.org/trunk@29500 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media Frames: Set the box-sizing CSS property to border-box for checkboxes and radio buttons.

props mlteal.
see #29493.
Built from https://develop.svn.wordpress.org/trunk@29727


git-svn-id: http://core.svn.wordpress.org/trunk@29501 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Don't overwrite the `length` property unnecessarily when generating metadata for audio and video files.

Props jrf, wonderboymusic.
Fixes #29176.

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git-svn-id: http://core.svn.wordpress.org/trunk@29502 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Media: revert enabling of multi-file uploading for mobile devices. Currently only iOS Safari supports it but has a bug that prevents uploading of videos. Fixes #29602
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git-svn-id: http://core.svn.wordpress.org/trunk@29503 1a063a9b-81f0-0310-95a4-ce76da25c4cd
TinyMCE: fix image captions regexp when wpautop is disabled in wp_editor(). Fixes #29592 for trunk.
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git-svn-id: http://core.svn.wordpress.org/trunk@29504 1a063a9b-81f0-0310-95a4-ce76da25c4cd
XML-RPC: Check if category support was added for pages before calling wp_get_post_categories() to avoid unnecessary query in wp.getPage.

props markoheijnen, nprasath002.
fixes #17920.
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git-svn-id: http://core.svn.wordpress.org/trunk@29505 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Skip ALTERNATE_WP_CRON redirect when performing XML-RPC requests.

props markoheijnen.
fixes #27447.
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git-svn-id: http://core.svn.wordpress.org/trunk@29506 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Upgrade MediaElement to 2.15.1.

Changes from 2.15.0:
https://github.com/johndyer/mediaelement/compare/2.15.0...2.15.1

Continues to revert upstream commit b7f82b4 to restore the status quo for Chromium support.

See [29688].
Fixes #29620 for trunk.

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git-svn-id: http://core.svn.wordpress.org/trunk@29507 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Update getID3 library to 1.9.8.

Changes:
https://github.com/JamesHeinrich/getID3/compare/1.9.7...v1.9.8

Fixes #29627.

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git-svn-id: http://core.svn.wordpress.org/trunk@29508 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Allow arbitrary subdomains for the oEmbed endpoint for Slideshare.

Props Latz.
Fixes #29427.

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git-svn-id: http://core.svn.wordpress.org/trunk@29509 1a063a9b-81f0-0310-95a4-ce76da25c4cd
After [29733], version bump for MediaElement.

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git-svn-id: http://core.svn.wordpress.org/trunk@29510 1a063a9b-81f0-0310-95a4-ce76da25c4cd
In `media_handle_upload()`, don't call `wp_read_image_metadata()` on things that aren't images (like videos). We never caught this error, because we are suppressing it by calling `@wp_read_image_metadata()`.

Props jrf for the initial patch.
Fixes #28907.

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git-svn-id: http://core.svn.wordpress.org/trunk@29511 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Editor expand: hide TinyMCE float panels and tooltips when scrolling, props avryl, fixes #29516 for trunk.
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git-svn-id: http://core.svn.wordpress.org/trunk@29512 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Add some `@since` annotations to `media-views.js`.

Props DrewAPicture.
See #28459.

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git-svn-id: http://core.svn.wordpress.org/trunk@29513 1a063a9b-81f0-0310-95a4-ce76da25c4cd
kses: Add colgroup.

props collinsinternet.
fixes #29433.

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git-svn-id: http://core.svn.wordpress.org/trunk@29514 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make the URL output in `_thickbox_path_admin_subfolder()` use `includes_url()`.

Props voldemortensen.
Fixes #14157.

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git-svn-id: http://core.svn.wordpress.org/trunk@29515 1a063a9b-81f0-0310-95a4-ce76da25c4cd
`WP_oEmbed::_strip_newlines` is called as a filter callback for `oembed_dataparse`, must be public. It was marked as private for fun in [14109] and then made `private` officially in [28507].

Fixes #29647 for trunk.


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git-svn-id: http://core.svn.wordpress.org/trunk@29516 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct some @since values added in [29739].

see #28459.
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git-svn-id: http://core.svn.wordpress.org/trunk@29517 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Correct @return value for WP_User_Query::get_total().

props jesin.
fixes #29656.
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git-svn-id: http://core.svn.wordpress.org/trunk@29518 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Make sure the $parent argument of wp_insert_attachment() still works as expected after [28579].

prop jesin, dikiy_forester.
fixes #29646 for trunk.
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