Fixes bug in BookmarkBarNode. I wasn't resetting a load handle resulting in the possibility of trying to cancel a bogus load handle.
Fixes bug in BookmarkBarNode. I wasn't resetting a load handle
resulting in the possibility of trying to cancel a bogus load handle.

I'm TBRing this one as I just introduced this and its easy to hit a
DCHECK now.

BUG=1256202
TEST=none



git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@1163 0039d316-1c4b-4281-b951-d872f2087c98

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