Fix crash in ExtensionService::SetIsIncognitoEnabled.
Fix crash in ExtensionService::SetIsIncognitoEnabled.

Make a copy of the extension id from within ExtensionService::SetIsIncognitoEnabled, since the const ref may get wiped out when reloading the extension.

BUG=103762
TEST=no crash when toggling incognito mode for an extension

Review URL: http://codereview.chromium.org/8529001

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@109676 0039d316-1c4b-4281-b951-d872f2087c98

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