Revert 136389 - Enable system trace clock use on chrome os.
Manually define CLOCK_SYSTEM_TRACE for OS_CHROMEOS. This is in the code (and not gyp) to minimize scope.
BUG=chromium-os:30502
TEST=verify chrome:tracing works w/ a chromeos=1 build on linux and on cros (using the correct clock in each case)
Change-Id: I9439a1de9fe30cb2f34652020a29a4450b71e1ea
Review URL: https://chromiumcodereview.appspot.com/10356028
TBR=sleffler@chromium.org
Review URL: https://chromiumcodereview.appspot.com/10382112
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@136397 0039d316-1c4b-4281-b951-d872f2087c98
CrOS-Libchrome-Original-Commit: 00534b5b799c69a21426ae47586d938fbceba254
1 file changed