extensions: Move sockets manifest handler registration

extensions: Move sockets manifest handler registration

It was being done as a one-off in app_shell and replicated in Chrome.
Moved it to RegisterCommonManifestHandlers() where it belongs.

BUG=none
TEST=extensions_unittests, unit_tests

Committed: https://crrev.com/4860e1a3ff5fc44544d3ff509424b3688cd0f7f9
Cr-Commit-Position: refs/heads/master@{#295842}

[James Cook, 2014-09-19 23:18:07]

jamescook@chromium.org changed reviewers:
+ rockot@chromium.org

[James Cook, 2014-09-19 23:18:08]

rockot, PTAL

Feel free to CQ if it's nit-free.

https://codereview.chromium.org/586873003/diff/1/chrome/common/extensions/chr...
File chrome/common/extensions/chrome_manifest_handlers.cc (right):

https://codereview.chromium.org/586873003/diff/1/chrome/common/extensions/chr...
chrome/common/extensions/chrome_manifest_handlers.cc:35: #include
"extensions/common/api/bluetooth/bluetooth_manifest_handler.h"
I didn't move this one or the ones below because to do it right they will
require some _manifest_features.json cleanup and some test shuffling.

[Ken Rockot(use gerrit already), 2014-09-19 23:23:42]

weird that we were doing that. lgtm!

[Ken Rockot(use gerrit already), 2014-09-19 23:23:44]

The CQ bit was checked by rockot@chromium.org

[commit-bot: I haz the power, 2014-09-19 23:24:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/586873003/1

[commit-bot: I haz the power, 2014-09-20 01:49:10]

Committed patchset #1 (id:1) as 242644fb11a3ca7cc878c034a0687f8b007a1ae3

[commit-bot: I haz the power, 2014-09-20 01:49:53]

Patchset 1 (id:??) landed as
https://crrev.com/4860e1a3ff5fc44544d3ff509424b3688cd0f7f9
Cr-Commit-Position: refs/heads/master@{#295842}