The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/c7cbcac75b856e25c377f78db22232438a09b87a

commit c7cbcac75b856e25c377f78db22232438a09b87a
Author: erikchen <erikchen@chromium.org>
Date: Mon Mar 21 20:36:38 2016

Add new NSPasteboard utility function and tests.

The function PasteboardItemFromUrl converts a url and title into an
NSPasteboardItem.

BUG=596128

Review URL: https://codereview.chromium.org/1809243004

Cr-Commit-Position: refs/heads/master@{#382374}

[modify] https://crrev.com/c7cbcac75b856e25c377f78db22232438a09b87a/ui/base/BUILD.gn
[add] https://crrev.com/c7cbcac75b856e25c377f78db22232438a09b87a/ui/base/clipboard/clipboard_util_mac.h
[add] https://crrev.com/c7cbcac75b856e25c377f78db22232438a09b87a/ui/base/clipboard/clipboard_util_mac.mm
[add] https://crrev.com/c7cbcac75b856e25c377f78db22232438a09b87a/ui/base/clipboard/clipboard_util_mac_unittest.mm
[modify] https://crrev.com/c7cbcac75b856e25c377f78db22232438a09b87a/ui/base/ui_base.gyp
[modify] https://crrev.com/c7cbcac75b856e25c377f78db22232438a09b87a/ui/base/ui_base_tests.gyp

Adding some related issues.  http://crbug.com/599264  is about the deprecated methods NSPasteboard+Utils.mm relies on. http://crbug.com/155588 is about migrating to use the 10.6 NSPasteboard methods. Maybe it can be merged instead.

This isn't actually blocking a 10.7 deployment target.