Revert of Add some more debugging info for invalid referrers (patchset #1 id:1 of https://codereview.chromium.org/646033008/)
Revert of Add some more debugging info for invalid referrers (patchset #1 id:1 of https://codereview.chromium.org/646033008/)

Reason for revert:
No longer needed

Original issue's description:
> Add some more debugging info for invalid referrers
>
> BUG=422871
> R=battre@chromium.org
>
> Committed: https://chromium.googlesource.com/chromium/src/+/92a102affe8141960e7ceda34c4ff193928121f7

TBR=battre@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=422871

Review URL: https://codereview.chromium.org/680373002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#301650}

Jonekee/chromium.src,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,ltilve/chromium,Pluto-tv/chromium-crosswalk,Just-D/chromium-1,Just-D/chromium-1,markYoungH/chromium.src,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,jaruba/chromium.src,Pluto-tv/chromium-crosswalk,Pluto-tv/chromium-crosswalk,Just-D/chromium-1,dednal/chromium.src,hgl888/chromium-crosswalk,ltilve/chromium,jaruba/chromium.src,markYoungH/chromium.src,hgl888/chromium-crosswalk,Just-D/chromium-1,chuan9/chromium-crosswalk,chuan9/chromium-crosswalk,Chilledheart/chromium,Pluto-tv/chromium-crosswalk,M4sse/chromium.src,dednal/chromium.src,Chilledheart/chromium,krieger-od/nwjs_chromium.src,Just-D/chromium-1,Chilledheart/chromium,mohamed--abdel-maksoud/chromium.src,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,fujunwei/chromium-crosswalk,Fireblend/chromium-crosswalk,Pluto-tv/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,axinging/chromium-crosswalk,Jonekee/chromium.src,dednal/chromium.src,M4sse/chromium.src,hgl888/chromium-crosswalk,Just-D/chromium-1,jaruba/chromium.src,Pluto-tv/chromium-crosswalk,hgl888/chromium-crosswalk,jaruba/chromium.src,fujunwei/chromium-crosswalk,Chilledheart/chromium,Chilledheart/chromium,chuan9/chromium-crosswalk,ltilve/chromium,M4sse/chromium.src,jaruba/chromium.src,ltilve/chromium,M4sse/chromium.src,chuan9/chromium-crosswalk,jaruba/chromium.src,M4sse/chromium.src,Jonekee/chromium.src,dushu1203/chromium.src,chuan9/chromium-crosswalk,markYoungH/chromium.src,chuan9/chromium-crosswalk,axinging/chromium-crosswalk,fujunwei/chromium-crosswalk,Fireblend/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,dednal/chromium.src,axinging/chromium-crosswalk,dednal/chromium.src,dushu1203/chromium.src,Pluto-tv/chromium-crosswalk,ltilve/chromium,PeterWangIntel/chromium-crosswalk,Pluto-tv/chromium-crosswalk,hgl888/chromium-crosswalk,hgl888/chromium-crosswalk,markYoungH/chromium.src,chuan9/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,hgl888/chromium-crosswalk,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,jaruba/chromium.src,Fireblend/chromium-crosswalk,Just-D/chromium-1,Chilledheart/chromium,hgl888/chromium-crosswalk,Fireblend/chromium-crosswalk,M4sse/chromium.src,dushu1203/chromium.src,PeterWangIntel/chromium-crosswalk,ltilve/chromium,M4sse/chromium.src,M4sse/chromium.src,Jonekee/chromium.src,M4sse/chromium.src,PeterWangIntel/chromium-crosswalk,ltilve/chromium,krieger-od/nwjs_chromium.src,ltilve/chromium,markYoungH/chromium.src,mohamed--abdel-maksoud/chromium.src,jaruba/chromium.src,TheTypoMaster/chromium-crosswalk,Fireblend/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,fujunwei/chromium-crosswalk,M4sse/chromium.src,Chilledheart/chromium,markYoungH/chromium.src,axinging/chromium-crosswalk,Fireblend/chromium-crosswalk,dednal/chromium.src,fujunwei/chromium-crosswalk,axinging/chromium-crosswalk,Jonekee/chromium.src,TheTypoMaster/chromium-crosswalk,Jonekee/chromium.src,TheTypoMaster/chromium-crosswalk,dednal/chromium.src,dushu1203/chromium.src,Jonekee/chromium.src,markYoungH/chromium.src,jaruba/chromium.src,axinging/chromium-crosswalk,krieger-od/nwjs_chromium.src,fujunwei/chromium-crosswalk,Just-D/chromium-1,Just-D/chromium-1,Chilledheart/chromium,dednal/chromium.src,dednal/chromium.src,jaruba/chromium.src,Fireblend/chromium-crosswalk,krieger-od/nwjs_chromium.src,Jonekee/chromium.src,chuan9/chromium-crosswalk,Jonekee/chromium.src,dushu1203/chromium.src,hgl888/chromium-crosswalk,markYoungH/chromium.src,mohamed--abdel-maksoud/chromium.src,markYoungH/chromium.src,Fireblend/chromium-crosswalk,dushu1203/chromium.src,M4sse/chromium.src,markYoungH/chromium.src,krieger-od/nwjs_chromium.src,jaruba/chromium.src,ltilve/chromium,dushu1203/chromium.src,krieger-od/nwjs_chromium.src,fujunwei/chromium-crosswalk,axinging/chromium-crosswalk,dushu1203/chromium.src,Jonekee/chromium.src,markYoungH/chromium.src,fujunwei/chromium-crosswalk,krieger-od/nwjs_chromium.src,krieger-od/nwjs_chromium.src,krieger-od/nwjs_chromium.src,TheTypoMaster/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,krieger-od/nwjs_chromium.src,krieger-od/nwjs_chromium.src,PeterWangIntel/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,Jonekee/chromium.src,mohamed--abdel-maksoud/chromium.src,mohamed--abdel-maksoud/chromium.src,axinging/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,Pluto-tv/chromium-crosswalk,dednal/chromium.src,mohamed--abdel-maksoud/chromium.src,PeterWangIntel/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,TheTypoMaster/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,Fireblend/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,chuan9/chromium-crosswalk,Chilledheart/chromium