Remove content_common from delegate_execute

Remove content_common from delegate_execute

This is not used and entirely dead-code-stripped by the linker (sadly this change doesn't make the binary any smaller).

Committed: https://crrev.com/9f16faf17eb4250aaf392ee83316d6c7bad9a916
Cr-Commit-Position: refs/heads/master@{#361398}

[brettw, 2015-11-23 20:20:15]

brettw@chromium.org changed reviewers:
+ scottmg@chromium.org

[brettw, 2015-11-23 20:20:15]

Discovered doing GN conversion...

[brettw, 2015-11-23 20:20:19]

The CQ bit was checked by brettw@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-11-23 20:22:04]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1466423003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1466423003/1

[scottmg, 2015-11-23 20:45:22]

lgtm

[commit-bot: I haz the power, 2015-11-23 21:06:55]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-11-23 21:06:56]

Dry run: This issue passed the CQ dry run.

[brettw, 2015-11-24 18:29:12]

The CQ bit was checked by brettw@chromium.org

[commit-bot: I haz the power, 2015-11-24 18:33:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1466423003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1466423003/1

[commit-bot: I haz the power, 2015-11-24 18:42:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-24 18:42:58]

Patchset 1 (id:??) landed as
https://crrev.com/9f16faf17eb4250aaf392ee83316d6c7bad9a916
Cr-Commit-Position: refs/heads/master@{#361398}