Revert 63012 - Revert 63011 - Convert a lot of DCHECK()s to DCHECK_EQ() and similar, so that when they fail they print the values in question.
Revert 63012 - Revert 63011 - Convert a lot of DCHECK()s to DCHECK_EQ() and similar, so that when they fail they print the values in question.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/3828013

TBR=pkasting@chromium.org, jamesr@chromium.org
Review URL: http://codereview.chromium.org/3854004

TBR=dpranke@chromium.org
Review URL: http://codereview.chromium.org/3783013

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@63062 0039d316-1c4b-4281-b951-d872f2087c98

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