add missing includes in gpu/command_buffer/*

add missing includes in gpu/command_buffer/*

gpu/command_buffer/service/command_buffer_service.cc uses DCHECK* but
doesn't include base/logging.h

Similarly in gpu/command_buffer/service/transfer_buffer_manager.cc, which also lacks scoped_ptr.h.

BUG=259043
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=210963

[Mostyn Bramley-Moore, 2013-07-10 11:55:55]

@greggman: does this trivial patch look OK to you?

[apatrick_chromium, 2013-07-10 18:08:50]

lgtm

[commit-bot: I haz the power, 2013-07-10 18:13:42]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mostynb@opera.com/18998002/2001

[commit-bot: I haz the power, 2013-07-10 18:19:35]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2013-07-10 18:22:14]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mostynb@opera.com/18998002/2001

[commit-bot: I haz the power, 2013-07-10 20:55:06]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=linux_chro...

[commit-bot: I haz the power, 2013-07-10 20:57:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/mostynb@opera.com/18998002/2001

[commit-bot: I haz the power, 2013-07-10 23:17:15]

Change committed as 210963