GitLab

Reason: Candidate for Mac 10.6 and 10.7 Break - IOSurfaceReuse

> cc: Defer first OutputSurface creation until client is ready
> 
> Remove the |first_output_surface| which was not used before
> the client signals ready.
> This allows the client to wait before creating a graphics context
> until the gpu thread and client channel are set up.
> 
> BUG=270179
> R=danakj@chromium.org, jamesr@chromium.org, jochen@chromium.org
> 
> Review URL: https://codereview.chromium.org/85693007

TBR=sievers@chromium.org

Review URL: https://codereview.chromium.org/103163003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238470 0039d316-1c4b-4281-b951-d872f2087c98