Roll Chromium 152335:157509, and add google_apis/build.

- gitignore google_apis.
- Disable 4005 warning in gflags.gyp.

TBR=niklas.enbom, kjellander
TESTED=trybots

Review URL: https://webrtc-codereview.appspot.com/819004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@2792 4adac7df-926f-26a2-2b94-8c16560cd09d
3 files changed