Joe McGill 59c0329461 Customizer: Minimize duplicate header crops in the media library. ...

This adds `Custom_Image_Header::get_previous_crop()`, which finds any
previously cropped headers created from the same base image and replaces
that attachment rather than creating a new attachment.

After updating a crop, the replaced images is also removed from the list
of previous header images in the Customizer.

See #21819.


git-svn-id: https://develop.svn.wordpress.org/trunk@41732 602fd350-edb4-49c9-b593-d223f7449a82

2017-10-04 14:58:07 +00:00

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phpunit

Customizer: Minimize duplicate header crops in the media library.

2017-10-04 14:58:07 +00:00

qunit

Customize: Improve usability of Customize JS API.

2017-10-04 06:47:37 +00:00