Revert CL 10358002 (return NOTREACHED())
Revert CL 10358002 (return NOTREACHED())

Reverting http://codereview.chromium.org/10358002/
by returning NOTREACHED() into the "bad-message" handler
in chrome/browser/extensions/extension_function.cc.
This is a consequence of a discussion with Bernhard,
logged in http://codereview.chromium.org/10358002/.

BUG=115467


Review URL: http://codereview.chromium.org/10386008

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@135732 0039d316-1c4b-4281-b951-d872f2087c98

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