Remove CompositorSoftwareOutputDevice

Remove CompositorSoftwareOutputDevice

This was only used in tests. In that case there's no reason to send the contents to another process, so we can use the simpler cc::SoftwareOutputDevice instead.

Committed: https://crrev.com/7e15c6af85005fb44e35f2b1e3bfa1d61c4e2826
Cr-Commit-Position: refs/heads/master@{#329272}

[jbauman, 2015-05-08 19:36:51]

jbauman@chromium.org changed reviewers:
+ piman@chromium.org

[piman, 2015-05-11 20:55:10]

lgtm

[jbauman, 2015-05-11 21:37:02]

The CQ bit was checked by jbauman@chromium.org

[commit-bot: I haz the power, 2015-05-11 21:39:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1136553004/1

[commit-bot: I haz the power, 2015-05-11 23:43:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-11 23:44:21]

Patchset 1 (id:??) landed as
https://crrev.com/7e15c6af85005fb44e35f2b1e3bfa1d61c4e2826
Cr-Commit-Position: refs/heads/master@{#329272}