
This adds copying of Chromium's third_party/BUILD.gn to acommondate libyuv's BUILD.gn that imports the 'jpeg' config from that file. BUG=3441 TEST=trybots + local compile passing with: gn gen out/Default --args="build_with_chromium=false" && ninja -C out/Default gn gen out/Default --args="build_with_chromium=false build_libyuv=false" && ninja -C out/Default R=niklas.enbom@webrtc.org, pbos@webrtc.org Review URL: https://webrtc-codereview.appspot.com/14839004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6595 4adac7df-926f-26a2-2b94-8c16560cd09d