This is a small piece of cleanup that turned out to not be strictly
necessary for the rest of this, so I've made it a separate commit.
Sandbox-related launch adjustments (currently, interposing libc
functions and providing a file descriptor for the syscall reporter)
are no longer applied to processes that won't be sandboxed. The
MOZ_SANDBOXED environment variable communicates this to the child
process, which allows SandboxEarlyInit to be skipped in that case as
well. The idea is that disabling sandboxing for a process type, as part
of troubleshooting, should disable everything sandbox-related.
As a side-effect, this also skips some very minor but unnecessary
overhead for NPAPI process startup.
MozReview-Commit-ID: D0KxsRIIRN
--HG--
extra : rebase_source : 89836bea80d0a171324a8e3ff15c6b8e2a163ea9
Jed Davis