Latest rev of happyhttp fixes the bugs so patches are no longer needed. Also removes http_fetcher_unittest from the build as it performs real http requests to an external server.
Change-Id: I5a95cc475291b788981a09b3621bd0c18c01091c
Detail changes: 1. Add gclient DEPS (depenencies) 2. Update gyp_packager.py 3. Update .gitignore 4. Update third_party/happyhttp patch path 5. Add a new script in happyhttp to reset the patch before re-sync Change-Id: I30f0beb94a56ae8aff3b25bb16fe76a7b07e3d54