Revert 133359 - Relanding r133313.
Revert 133359 - Relanding r133313.

I've reordered the resource request URLRequest cancellations so now I can reland r133313 and not have it assert on renderer resource requests.

==========

Revert 133313 - I need to move the assertion to a better place.

Assert when URLRequests leak for the main URLRequestContexts.

I've already enabled the assertions for all the non-main URLRequestContexts:
  * safe browsing
  * system
  * media
  * extensions

I've squashed those leaks, so now it's time to work on the main URLRequestContext for the profile. I know there are defintely existing l

BUG=90971
TEST=none

==========

TBR=eroman
BUG=90971
TEST=none


Review URL: http://codereview.chromium.org/10219010

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@133842 0039d316-1c4b-4281-b951-d872f2087c98

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