Revert 62695 - Revert 62644 - During shutdown delete any pending tasks if running under Heapchecker.
Revert 62695 - Revert 62644 - During shutdown delete any pending tasks if running under Heapchecker.

BUG=50345
TEST=Suppression no longer gets used.
Original Review URL: http://codereview.chromium.org/3791006
Revert Review URL: http://codereview.chromium.org/3779008
Review URL: http://codereview.chromium.org/4111005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@64125 0039d316-1c4b-4281-b951-d872f2087c98

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