Make sure all the builder and testers use the same GYP_DEFINES.
Make sure all the builder and testers use the same GYP_DEFINES.

Otherwise this could cause bugs in runhooks due to different conditions in the
gyp files, as caused by r186179.

R=iannucci@chromium.org
BUG=


Review URL: https://chromiumcodereview.appspot.com/12634002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@186853 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build