GitLab

Use PathService instead of command line flag to obtain path for helper. Adds a nacl_helper_bootstrap executable that implements the actual space reservation.

BUG=nativeclient:480
TEST=manual for now

Review URL: http://codereview.chromium.org/7599011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@97040 0039d316-1c4b-4281-b951-d872f2087c98