
Flesh out the timing externs

R=bcornell
DELTA=96  (84 added, 8 deleted, 4 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=4492


git-svn-id: 818616af560c21f974e3119d89e3310384da871a@1875 b0f006be-c8cd-11de-a2e8-8d36a3108c74

knutwalker/google-closure-compiler,knutwalker/google-closure-compiler