GitLab

Move notification_data_conversions* from content/renderer/notifications
to third_party/blink/public/common and third_party/blink/common.

Since notification_data_conversions converts data in blink side only,
it no longer needs to be placed in content.

Bug: 919396
Change-Id: I184d17abb4ea65390603870760c43b5bcc5063e1
Reviewed-on: https://chromium-review.googlesource.com/c/1447398Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Peter Beverloo <peter@chromium.org>
Commit-Queue: Amos Lim <eui-sang.lim@samsung.com>
Cr-Commit-Position: refs/heads/master@{#628551}