[ninja/mac] Add xcode_emulation support for -Wobjc-missing-property-synthesis.
[ninja/mac] Add xcode_emulation support for -Wobjc-missing-property-synthesis.

CLANG_WARN_OBJC_MISSING_PROPERTY_SYNTHESIS maps to
-Wobjc-missing-property-synthesis

R=thakis@chromium.org

Review URL: https://codereview.chromium.org/32193007

git-svn-id: e7e1075985beda50ea81ac4472467b4f6e91fc78@1768 78cadc50-ecff-11dd-a971-7dbc132099af

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