[Extensions] Update closure compiler developerPrivate extern with enums

[Extensions] Update closure compiler developerPrivate extern with enums

Update the closure compiler extern for the developerPrivate API to have enum
definitions, now that enums are exposed on the api object.
Update chrome://extensions to use these enums.

BUG=463184
BUG=461039
Committed: https://crrev.com/b875af1cd2652ae3e7f633de928b27bf0563d9bb
Cr-Commit-Position: refs/heads/master@{#318968}

[Devlin, 2015-03-03 17:45:23]

rdevlin.cronin@chromium.org changed reviewers:
+ dbeam@chromium.org

[Devlin, 2015-03-03 17:45:23]

As promised. :)

[Dan Beam, 2015-03-03 18:07:58]

lgtm

https://codereview.chromium.org/974903004/diff/1/third_party/closure_compiler...
File third_party/closure_compiler/externs/developer_private.js (right):

https://codereview.chromium.org/974903004/diff/1/third_party/closure_compiler...
third_party/closure_compiler/externs/developer_private.js:8: // enum
defintiions.
definitions

[Devlin, 2015-03-03 23:56:17]

The CQ bit was checked by rdevlin.cronin@chromium.org

[Devlin, 2015-03-03 23:56:18]

The patchset sent to the CQ was uploaded after l-g-t-m from dbeam@chromium.org
Link to the patchset: https://codereview.chromium.org/974903004/#ps20001 (title:
"Typo fix")

[commit-bot: I haz the power, 2015-03-03 23:57:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/974903004/20001

[Devlin, 2015-03-03 23:58:01]

https://codereview.chromium.org/974903004/diff/1/third_party/closure_compiler...
File third_party/closure_compiler/externs/developer_private.js (right):

https://codereview.chromium.org/974903004/diff/1/third_party/closure_compiler...
third_party/closure_compiler/externs/developer_private.js:8: // enum
defintiions.
On 2015/03/03 18:07:58, Dan Beam wrote:
> definitions

Done.

[commit-bot: I haz the power, 2015-03-04 00:05:39]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-04 00:06:50]

Patchset 2 (id:??) landed as
https://crrev.com/b875af1cd2652ae3e7f633de928b27bf0563d9bb
Cr-Commit-Position: refs/heads/master@{#318968}