Backed out r684 (added glog include dir to client gyp files). It was obviated by r685, which removed the dependency on glog from the client projects.
BUG=None
TEST="gclient runhooks --force"; build crash_generation_app; launch crash_generation_app.
r=hansl at http://breakpad.appspot.com/191001/show
git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@696 4c0a9323-5329-0410-9bdc-e9ce6186880e