Disable 'Create Shortcut' menu item on Mac.

Disable 'Create Shortcut' menu item on Mac.

This isn't ready for public use yet, so disable the UI.

BUG=138733
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=192903

[jeremya, 2013-04-05 19:49:30]

I plan to merge this back to M27 to disable it there, too.

[Evan Stade, 2013-04-06 00:15:41]

lgtm

[benwells, 2013-04-08 06:02:54]

lgtm

[commit-bot: I haz the power, 2013-04-08 16:39:50]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jeremya@chromium.org/13722009/1

[commit-bot: I haz the power, 2013-04-08 16:47:21]

Sorry for I got bad news for ya.
Compile failed with a clobber build on linux_chromeos_clang.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...
Your code is likely broken or HEAD is junk. Please ensure your
code is not broken then alert the build sheriffs.
Look at the try server FAQ for more details.

[commit-bot: I haz the power, 2013-04-08 18:12:36]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jeremya@chromium.org/13722009/1

[commit-bot: I haz the power, 2013-04-08 19:57:46]

Retried try job too often on mac_rel for step(s) unit_tests
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=mac_rel&nu...

[commit-bot: I haz the power, 2013-04-08 20:38:41]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/jeremya@chromium.org/13722009/1

[commit-bot: I haz the power, 2013-04-08 21:27:41]

Change committed as 192903