Revert 157434 - Fix the crashing in UpdateNagger.
Revert 157434 - Fix the crashing in UpdateNagger.

BUG=149681

Review URL: https://codereview.chromium.org/10916356

TBR=jennyz@chromium.org
Review URL: https://codereview.chromium.org/10949013

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@157470 0039d316-1c4b-4281-b951-d872f2087c98

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