Build seccomp sandbox code even when Clang is used
Build seccomp sandbox code even when Clang is used

There used to be an issue with the seccomp sandbox when Clang was used. Since
this is no longer the case, there is no reason to undefine SECCOMP_SANDBOX
when building on Clang.

BUG=
TEST=
NOTRY=true


Review URL: https://chromiumcodereview.appspot.com/10448017

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@139056 0039d316-1c4b-4281-b951-d872f2087c98

timopulkkinen/BubbleFish,axinging/chromium-crosswalk,pozdnyakov/chromium-crosswalk,bright-sparks/chromium-spacewalk,crosswalk-project/chromium-crosswalk-efl,patrickm/chromium.src,hujiajie/pa-chromium,crosswalk-project/chromium-crosswalk-efl,nacl-webkit/chrome_deps,Pluto-tv/chromium-crosswalk,krieger-od/nwjs_chromium.src,mogoweb/chromium-crosswalk,ltilve/chromium,Chilledheart/chromium,patrickm/chromium.src,fujunwei/chromium-crosswalk,dushu1203/chromium.src,chuan9/chromium-crosswalk,ondra-novak/chromium.src,axinging/chromium-crosswalk,chuan9/chromium-crosswalk,ondra-novak/chromium.src,ondra-novak/chromium.src,patrickm/chromium.src,keishi/chromium,timopulkkinen/BubbleFish,dednal/chromium.src,PeterWangIntel/chromium-crosswalk,junmin-zhu/chromium-rivertrail,chuan9/chromium-crosswalk,hujiajie/pa-chromium,timopulkkinen/BubbleFish,dednal/chromium.src,zcbenz/cefode-chromium,TheTypoMaster/chromium-crosswalk,mogoweb/chromium-crosswalk,krieger-od/nwjs_chromium.src,Jonekee/chromium.src,littlstar/chromium.src,zcbenz/cefode-chromium,chuan9/chromium-crosswalk,ltilve/chromium,hgl888/chromium-crosswalk,pozdnyakov/chromium-crosswalk,hgl888/chromium-crosswalk,mogoweb/chromium-crosswalk,dednal/chromium.src,zcbenz/cefode-chromium,Chilledheart/chromium,markYoungH/chromium.src,timopulkkinen/BubbleFish,mogoweb/chromium-crosswalk,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,ltilve/chromium,fujunwei/chromium-crosswalk,junmin-zhu/chromium-rivertrail,bright-sparks/chromium-spacewalk,dushu1203/chromium.src,TheTypoMaster/chromium-crosswalk,Just-D/chromium-1,Pluto-tv/chromium-crosswalk,ChromiumWebApps/chromium,M4sse/chromium.src,keishi/chromium,TheTypoMaster/chromium-crosswalk,timopulkkinen/BubbleFish,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,junmin-zhu/chromium-rivertrail,patrickm/chromium.src,chuan9/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,junmin-zhu/chromium-rivertrail,crosswalk-project/chromium-crosswalk-efl,ltilve/chromium,Just-D/chromium-1,chuan9/chromium-crosswalk,markYoungH/chromium.src,ltilve/chromium,jaruba/chromium.src,dushu1203/chromium.src,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk-efl,keishi/chromium,anirudhSK/chromium,markYoungH/chromium.src,dednal/chromium.src,nacl-webkit/chrome_deps,timopulkkinen/BubbleFish,anirudhSK/chromium,patrickm/chromium.src,zcbenz/cefode-chromium,markYoungH/chromium.src,bright-sparks/chromium-spacewalk,krieger-od/nwjs_chromium.src,keishi/chromium,timopulkkinen/BubbleFish,Fireblend/chromium-crosswalk,Just-D/chromium-1,junmin-zhu/chromium-rivertrail,pozdnyakov/chromium-crosswalk,hujiajie/pa-chromium,anirudhSK/chromium,M4sse/chromium.src,fujunwei/chromium-crosswalk,dushu1203/chromium.src,zcbenz/cefode-chromium,anirudhSK/chromium,nacl-webkit/chrome_deps,M4sse/chromium.src,mogoweb/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,PeterWangIntel/chromium-crosswalk,jaruba/chromium.src,junmin-zhu/chromium-rivertrail,ChromiumWebApps/chromium,markYoungH/chromium.src,hgl888/chromium-crosswalk,patrickm/chromium.src,hujiajie/pa-chromium,dushu1203/chromium.src,zcbenz/cefode-chromium,junmin-zhu/chromium-rivertrail,patrickm/chromium.src,mogoweb/chromium-crosswalk,Fireblend/chromium-crosswalk,pozdnyakov/chromium-crosswalk,Chilledheart/chromium,timopulkkinen/BubbleFish,M4sse/chromium.src,Jonekee/chromium.src,krieger-od/nwjs_chromium.src,jaruba/chromium.src,ChromiumWebApps/chromium,hujiajie/pa-chromium,anirudhSK/chromium,chuan9/chromium-crosswalk,ChromiumWebApps/chromium,hujiajie/pa-chromium,M4sse/chromium.src,bright-sparks/chromium-spacewalk,PeterWangIntel/chromium-crosswalk,jaruba/chromium.src,littlstar/chromium.src,pozdnyakov/chromium-crosswalk,ondra-novak/chromium.src,timopulkkinen/BubbleFish,hgl888/chromium-crosswalk,fujunwei/chromium-crosswalk,Jonekee/chromium.src,Fireblend/chromium-crosswalk,krieger-od/nwjs_chromium.src,axinging/chromium-crosswalk,junmin-zhu/chromium-rivertrail,M4sse/chromium.src,markYoungH/chromium.src,ondra-novak/chromium.src,mohamed--abdel-maksoud/chromium.src,hgl888/chromium-crosswalk-efl,ChromiumWebApps/chromium,pozdnyakov/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,hgl888/chromium-crosswalk,Chilledheart/chromium,Just-D/chromium-1,PeterWangIntel/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,zcbenz/cefode-chromium,bright-sparks/chromium-spacewalk,crosswalk-project/chromium-crosswalk-efl,axinging/chromium-crosswalk,Just-D/chromium-1,dednal/chromium.src,Chilledheart/chromium,Fireblend/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,Fireblend/chromium-crosswalk,timopulkkinen/BubbleFish,Chilledheart/chromium,jaruba/chromium.src,anirudhSK/chromium,TheTypoMaster/chromium-crosswalk,pozdnyakov/chromium-crosswalk,markYoungH/chromium.src,ChromiumWebApps/chromium,Pluto-tv/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,TheTypoMaster/chromium-crosswalk,Jonekee/chromium.src,dushu1203/chromium.src,Jonekee/chromium.src,hujiajie/pa-chromium,ChromiumWebApps/chromium,Pluto-tv/chromium-crosswalk,pozdnyakov/chromium-crosswalk,junmin-zhu/chromium-rivertrail,mogoweb/chromium-crosswalk,hgl888/chromium-crosswalk,keishi/chromium,mohamed--abdel-maksoud/chromium.src,hgl888/chromium-crosswalk-efl,krieger-od/nwjs_chromium.src,mogoweb/chromium-crosswalk,ChromiumWebApps/chromium,Just-D/chromium-1,dushu1203/chromium.src,TheTypoMaster/chromium-crosswalk,jaruba/chromium.src,keishi/chromium,Pluto-tv/chromium-crosswalk,Jonekee/chromium.src,PeterWangIntel/chromium-crosswalk,keishi/chromium,anirudhSK/chromium,anirudhSK/chromium,zcbenz/cefode-chromium,jaruba/chromium.src,M4sse/chromium.src,Pluto-tv/chromium-crosswalk,bright-sparks/chromium-spacewalk,anirudhSK/chromium,zcbenz/cefode-chromium,bright-sparks/chromium-spacewalk,junmin-zhu/chromium-rivertrail,nacl-webkit/chrome_deps,Pluto-tv/chromium-crosswalk,dushu1203/chromium.src,nacl-webkit/chrome_deps,jaruba/chromium.src,hujiajie/pa-chromium,M4sse/chromium.src,hgl888/chromium-crosswalk-efl,ltilve/chromium,Jonekee/chromium.src,dushu1203/chromium.src,crosswalk-project/chromium-crosswalk-efl,axinging/chromium-crosswalk,crosswalk-project/chromium-crosswalk-efl,keishi/chromium,hgl888/chromium-crosswalk-efl,zcbenz/cefode-chromium,hgl888/chromium-crosswalk-efl,patrickm/chromium.src,hgl888/chromium-crosswalk-efl,mogoweb/chromium-crosswalk,littlstar/chromium.src,M4sse/chromium.src,axinging/chromium-crosswalk,nacl-webkit/chrome_deps,dednal/chromium.src,M4sse/chromium.src,hujiajie/pa-chromium,Just-D/chromium-1,Chilledheart/chromium,markYoungH/chromium.src,keishi/chromium,axinging/chromium-crosswalk,M4sse/chromium.src,anirudhSK/chromium,littlstar/chromium.src,ondra-novak/chromium.src,PeterWangIntel/chromium-crosswalk,chuan9/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,Pluto-tv/chromium-crosswalk,ltilve/chromium,axinging/chromium-crosswalk,Jonekee/chromium.src,ltilve/chromium,jaruba/chromium.src,bright-sparks/chromium-spacewalk,Fireblend/chromium-crosswalk,zcbenz/cefode-chromium,crosswalk-project/chromium-crosswalk-efl,Pluto-tv/chromium-crosswalk,patrickm/chromium.src,hgl888/chromium-crosswalk,dushu1203/chromium.src,anirudhSK/chromium,mohamed--abdel-maksoud/chromium.src,krieger-od/nwjs_chromium.src,Fireblend/chromium-crosswalk,Chilledheart/chromium,keishi/chromium,dednal/chromium.src,crosswalk-project/chromium-crosswalk-efl,chuan9/chromium-crosswalk,hgl888/chromium-crosswalk-efl,pozdnyakov/chromium-crosswalk,anirudhSK/chromium,mohamed--abdel-maksoud/chromium.src,markYoungH/chromium.src,pozdnyakov/chromium-crosswalk,ChromiumWebApps/chromium,nacl-webkit/chrome_deps,ChromiumWebApps/chromium,littlstar/chromium.src,ChromiumWebApps/chromium,littlstar/chromium.src,markYoungH/chromium.src,krieger-od/nwjs_chromium.src,mogoweb/chromium-crosswalk,littlstar/chromium.src,hujiajie/pa-chromium,hgl888/chromium-crosswalk,axinging/chromium-crosswalk,timopulkkinen/BubbleFish,nacl-webkit/chrome_deps,Chilledheart/chromium,ChromiumWebApps/chromium,Jonekee/chromium.src,krieger-od/nwjs_chromium.src,littlstar/chromium.src,mohamed--abdel-maksoud/chromium.src,hgl888/chromium-crosswalk-efl,nacl-webkit/chrome_deps,nacl-webkit/chrome_deps,fujunwei/chromium-crosswalk,ondra-novak/chromium.src,krieger-od/nwjs_chromium.src,pozdnyakov/chromium-crosswalk,ondra-novak/chromium.src,Fireblend/chromium-crosswalk,keishi/chromium,dednal/chromium.src,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,junmin-zhu/chromium-rivertrail,mohamed--abdel-maksoud/chromium.src,axinging/chromium-crosswalk,ltilve/chromium,TheTypoMaster/chromium-crosswalk,fujunwei/chromium-crosswalk,hgl888/chromium-crosswalk,hujiajie/pa-chromium,Jonekee/chromium.src,dushu1203/chromium.src,jaruba/chromium.src,fujunwei/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,hgl888/chromium-crosswalk-efl,dednal/chromium.src,markYoungH/chromium.src,Fireblend/chromium-crosswalk,Just-D/chromium-1,Just-D/chromium-1,jaruba/chromium.src,krieger-od/nwjs_chromium.src,Jonekee/chromium.src,nacl-webkit/chrome_deps,PeterWangIntel/chromium-crosswalk