Revert "Update V8 to version 3.31.30 (based on 9e02e98771dcb00ed7332eaeeb78464a8b87afe5)." Revert "Update V8 to version 3.31.29 (based on a2b5c7abae7b8db9ae48504c86746a6d5aa20d87)."
Revert "Update V8 to version 3.31.30 (based on 9e02e98771dcb00ed7332eaeeb78464a8b87afe5)." Revert "Update V8 to version 3.31.29 (based on a2b5c7abae7b8db9ae48504c86746a6d5aa20d87)."

This reverts commits ac4534379e11ddffe11e48aa736d80ac3f6e964f and
7981ed637e18b8dc5ce08a2003323f66c79c2c35.

BUG=v8:3728
TBR=machenbach@chromium.org
NOTRY=true

Review URL: https://codereview.chromium.org/762363002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#306127}

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