- Handle gyp and gypi files in Xcode.
- Handle gyp and gypi files in Xcode.

R=mark@chromium.org

Review URL: https://codereview.chromium.org/26760002

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1752 78cadc50-ecff-11dd-a971-7dbc132099af

bnq4ever/gypgoogle,Danath/gyp,LazyCodingCat/gyp,amoikevin/gyp,bnq4ever/gypgoogle,ttyangf/pdfium_gyp,Phuehvk/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,enkripsi/gyp,chromium/gyp,sdklite/gyp,turbulenz/gyp,sanyaade-teachings/gyp,amoikevin/gyp,svn2github/gyp,enkripsi/gyp,svn2github/kgyp,sport-monkey/GYP,mapbox/gyp,openpeer/webrtc-gyp,trafi/gyp,bulldy80/gyp_unofficial,yjhjstz/gyp,erikge/watch_gyp,springmeyer/gyp,Jack-Q/GYP-copy,omasanori/gyp,yjhjstz/gyp,mgamer/gyp,openpeer/webrtc-gyp,azunite/gyp_20150930,ryfx/gyp,duanhjlt/gyp,Danath/gyp,erikge/watch_gyp,enkripsi/gyp,svn2github/gyp,saghul/gyn,springmeyer/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,sanyaade-teachings/gyp,AOSPU/external_chromium_org_tools_gyp,Phuehvk/gyp,alexcrichton/gyp,Omegaphora/external_chromium_org_tools_gyp,bnoordhuis/gyp,carlTLR/gyp,msc-/gyp,sport-monkey/GYP,azunite/gyp,Chilledheart/gyp,erikge/watch_gyp,springmeyer/gyp,ttyangf/pdfium_gyp,pandaxcl/gyp,bpsinc-native/src_tools_gyp,Jack-Q/GYP-copy,bpsinc-native/src_tools_gyp,ttyangf/gyp,turbulenz/gyp,ttyangf/gyp,yinquan529/platform-external-chromium_org-tools-gyp,ryfx/gyp,mistydemeo/gyp,yjhjstz/gyp,saghul/gyn,adblockplus/gyp,Chilledheart/gyp,pyokagan/gyp,AWhetter/gyp,enkripsi/gyp,Danath/gyp,mgamer/gyp,AOSPU/external_chromium_org_tools_gyp,clar/gyp,pandaxcl/gyp,Jack-Q/GYP-copy,azunite/gyp_20150930,sport-monkey/GYP,yinquan529/platform-external-chromium_org-tools-gyp,ttyangf/pdfium_gyp,azunite/gyp_20150930,android-ia/platform_external_chromium_org_tools_gyp,yinquan529/platform-external-chromium_org-tools-gyp,yjhjstz/gyp,bnoordhuis/gyp,clar/gyp,dougbeal/gyp,pyokagan/gyp,svn2github/gyp,azunite/gyp_20150930,clar/gyp,pyokagan/gyp,LazyCodingCat/gyp,svn2github/gyp,bulldy80/gyp_unofficial,azunite/gyp,chromium/gyp,openpeer/webrtc-gyp,pyokagan/gyp,adblockplus/gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,mistydemeo/gyp,springmeyer/gyp,android-ia/platform_external_chromium_org_tools_gyp,AWhetter/gyp,cchamberlain/gyp,sport-monkey/GYP,dougbeal/gyp,AOSPU/external_chromium_org_tools_gyp,ttyangf/pdfium_gyp,Omegaphora/external_chromium_org_tools_gyp,bnoordhuis/gyp,carlTLR/gyp,carlTLR/gyp,cysp/gyp,bulldy80/gyp_unofficial,okumura/gyp,mapbox/gyp,erikge/watch_gyp,openpeer/webrtc-gyp,geekboxzone/lollipop_external_chromium_org_tools_gyp,trafi/gyp,cysp/gyp,amoikevin/gyp,tarc/gyp,erikge/watch_gyp,AOSPU/external_chromium_org_tools_gyp,dougbeal/gyp,turbulenz/gyp,AWhetter/gyp,bnoordhuis/gyp,sloanyang/gyp,ttyangf/pdfium_gyp,mgamer/gyp,adblockplus/gyp,Jack-Q/GYP-copy,svn2github/kgyp,trafi/gyp,xin3liang/platform_external_chromium_org_tools_gyp,svn2github/kgyp,sdklite/gyp,msc-/gyp,cchamberlain/gyp,Phuehvk/gyp,trafi/gyp,amoikevin/gyp,LazyCodingCat/gyp,tarc/gyp,msc-/gyp,msc-/gyp,mistydemeo/gyp,sanyaade-teachings/gyp,clar/gyp,Chilledheart/gyp,chromium/gyp,sdklite/gyp,mapbox/gyp,duanhjlt/gyp,okumura/gyp,bulldy80/gyp_unofficial,msc-/gyp,LazyCodingCat/gyp,ryfx/gyp,saghul/gyn,chromium/gyp,saghul/gyn,azunite/gyp_20150930,pyokagan/gyp,svn2github/kgyp,mistydemeo/gyp,bnq4ever/gypgoogle,azunite/gyp,luvit/gyp,duanhjlt/gyp,xin3liang/platform_external_chromium_org_tools_gyp,Phuehvk/gyp,Chilledheart/gyp,ttyangf/gyp,svn2github/gyp,saghul/gyn,Omegaphora/external_chromium_org_tools_gyp,android-ia/platform_external_chromium_org_tools_gyp,pandaxcl/gyp,mapbox/gyp,adblockplus/gyp,yinquan529/platform-external-chromium_org-tools-gyp,springmeyer/gyp,turbulenz/gyp,tarc/gyp,pandaxcl/gyp,Chilledheart/gyp,omasanori/gyp,duanhjlt/gyp,sloanyang/gyp,mgamer/gyp,xin3liang/platform_external_chromium_org_tools_gyp,omasanori/gyp,okumura/gyp,sport-monkey/GYP,bnq4ever/gypgoogle,Jack-Q/GYP-copy,yjhjstz/gyp,xin3liang/platform_external_chromium_org_tools_gyp,cchamberlain/gyp,bnoordhuis/gyp,bpsinc-native/src_tools_gyp,alexcrichton/gyp,cysp/gyp,dougbeal/gyp,cchamberlain/gyp,luvit/gyp,ryfx/gyp,Omegaphora/external_chromium_org_tools_gyp,okumura/gyp,azunite/gyp,adblockplus/gyp,sdklite/gyp,cysp/gyp,azunite/gyp,mapbox/gyp,sanyaade-teachings/gyp,mgamer/gyp,dougbeal/gyp,ttyangf/gyp,bnq4ever/gypgoogle,duanhjlt/gyp,Danath/gyp,android-ia/platform_external_chromium_org_tools_gyp,sloanyang/gyp,pandaxcl/gyp,bulldy80/gyp_unofficial,svn2github/kgyp,AWhetter/gyp,sloanyang/gyp,enkripsi/gyp,ryfx/gyp,alexcrichton/gyp,carlTLR/gyp,LazyCodingCat/gyp,carlTLR/gyp,sanyaade-teachings/gyp,amoikevin/gyp,turbulenz/gyp,Phuehvk/gyp,Danath/gyp,cchamberlain/gyp,tarc/gyp,clar/gyp,openpeer/webrtc-gyp,tarc/gyp,omasanori/gyp,sdklite/gyp,cysp/gyp,ttyangf/gyp,trafi/gyp,bpsinc-native/src_tools_gyp,alexcrichton/gyp,chromium/gyp,AWhetter/gyp,luvit/gyp,luvit/gyp