Make utility process run in-process when running in single-process mode.

Make utility process run in-process when running in single-process mode.

Remove the unit test/single process code path for SandboxedUnpacker as a first step.

BUG=19192
R=asargent@chromium.org, scottmg@chromium.org

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=210620

[scottmg, 2013-07-01 19:37:20]

lgtm

https://codereview.chromium.org/18119009/diff/154001/content/utility/utility_...
File content/utility/utility_thread_impl.h (right):

https://codereview.chromium.org/18119009/diff/154001/content/utility/utility_...
content/utility/utility_thread_impl.h:59: bool initialize_webkit_;
might be clearer to call this single_process_ instead

[jam, 2013-07-02 22:45:52]

Scott: I've updated the change so that only one utility thread runs a time, to
get rid of race conditions with globals in the extension code which runs in the
utility process. You can diff utility_process_host_impl.cc from the previous
patchset.

[scottmg, 2013-07-02 22:54:20]

lgtm2

[jam, 2013-07-02 23:17:34]

oops i forgot to update the variable name to single_process_, did that locally
now

[asargent_no_longer_on_chrome, 2013-07-09 21:04:28]

LGTM