[Author: thomasvl]
[Author: thomasvl]

Add a CPP gate to prevent the install of the atexit hook for running
  leaks.

R=dmaclach
DELTA=2  (0 added, 0 deleted, 2 changed)

jonreid/google-toolbox-for-mac,jonreid/google-toolbox-for-mac,jonreid/google-toolbox-for-mac