Sergey Biryukov c3a2cff3f8 Privacy: Add template tags for building link to privacy policy page.
This introduces the `get_the_privacy_policy_link()` and `the_privacy_policy_link()` functions, as well as the `privacy_policy_url` filter.

A new `tests/url/` folder was added to better organize tests related to `get_*_url()` functions. Previously, those tests were placed in `tests/url.php` and `tests/link/`, but neither of those locations are optimal. Placing tests in `tests/url.php` violates the guideline of creating separate files/classes for each function under test, and using `tests/link/` conflates two distinct -- albeit related -- groups of functions. Over time, URL-related tests can be migrated to the new folder.

Props birgire, xkon, azaozz, iandunn.
Merges [43002] to the 4.9 branch.
See #43850.

git-svn-id: https://develop.svn.wordpress.org/branches/4.9@43109 602fd350-edb4-49c9-b593-d223f7449a82
2018-05-02 03:38:23 +00:00
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