Revert the part of http://codereview.chromium.org/593018 touching unload_uitest.cc
Revert the part of http://codereview.chromium.org/593018 touching unload_uitest.cc

The test started to hang mysteriously on Linux Tests(dbg)(1) and I remember some
past problems about this test. Would need more investigation. The test is
fine on all other platforms and bots, including Linux Tests(dbg)(2).

TBR=brettw
TEST=stop hanging
BUG=none

Review URL: http://codereview.chromium.org/597020

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@38611 0039d316-1c4b-4281-b951-d872f2087c98

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