Revert of Remove check against V8 OOM in the dispatcher. (https://codereview.chromium.org/225303004/)
Revert of Remove check against V8 OOM in the dispatcher. (https://codereview.chromium.org/225303004/)

Reason for revert:
Breaks extensions API messaging test: http://build.chromium.org/p/chromium.mac/buildstatus?builder=Mac10.6%20Tests%20%281%29&number=51046

Original issue's description:
> Remove check against V8 OOM in the dispatcher.
> 
> V8 no longer fails gracefully on OOM. The API method used is
> deprecated and always returns false.
> 
> R=dcarney@chromium.org, jochen@chromium.org
> 
> Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=261739

TBR=dcarney@chromium.org,finnur@chromium.org,jochen@chromium.org,yangguo@chromium.org
NOTREECHECKS=true
NOTRY=true

Review URL: https://codereview.chromium.org/225413006

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@261755 0039d316-1c4b-4281-b951-d872f2087c98

PeterWangIntel/chromium-crosswalk,axinging/chromium-crosswalk,dushu1203/chromium.src,mohamed--abdel-maksoud/chromium.src,jaruba/chromium.src,Jonekee/chromium.src,chuan9/chromium-crosswalk,bright-sparks/chromium-spacewalk,jaruba/chromium.src,TheTypoMaster/chromium-crosswalk,fujunwei/chromium-crosswalk,bright-sparks/chromium-spacewalk,littlstar/chromium.src,axinging/chromium-crosswalk,littlstar/chromium.src,Chilledheart/chromium,PeterWangIntel/chromium-crosswalk,dushu1203/chromium.src,axinging/chromium-crosswalk,jaruba/chromium.src,Chilledheart/chromium,Jonekee/chromium.src,mohamed--abdel-maksoud/chromium.src,crosswalk-project/chromium-crosswalk-efl,hgl888/chromium-crosswalk,Chilledheart/chromium,ondra-novak/chromium.src,mohamed--abdel-maksoud/chromium.src,crosswalk-project/chromium-crosswalk-efl,littlstar/chromium.src,fujunwei/chromium-crosswalk,ltilve/chromium,fujunwei/chromium-crosswalk,jaruba/chromium.src,krieger-od/nwjs_chromium.src,Fireblend/chromium-crosswalk,Just-D/chromium-1,littlstar/chromium.src,dednal/chromium.src,Just-D/chromium-1,krieger-od/nwjs_chromium.src,ondra-novak/chromium.src,mohamed--abdel-maksoud/chromium.src,axinging/chromium-crosswalk,chuan9/chromium-crosswalk,Jonekee/chromium.src,hgl888/chromium-crosswalk-efl,Chilledheart/chromium,Fireblend/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,Fireblend/chromium-crosswalk,chuan9/chromium-crosswalk,M4sse/chromium.src,ltilve/chromium,ltilve/chromium,markYoungH/chromium.src,mohamed--abdel-maksoud/chromium.src,M4sse/chromium.src,krieger-od/nwjs_chromium.src,littlstar/chromium.src,dushu1203/chromium.src,chuan9/chromium-crosswalk,M4sse/chromium.src,jaruba/chromium.src,Chilledheart/chromium,bright-sparks/chromium-spacewalk,TheTypoMaster/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,Fireblend/chromium-crosswalk,bright-sparks/chromium-spacewalk,Pluto-tv/chromium-crosswalk,dednal/chromium.src,markYoungH/chromium.src,mohamed--abdel-maksoud/chromium.src,axinging/chromium-crosswalk,chuan9/chromium-crosswalk,krieger-od/nwjs_chromium.src,hgl888/chromium-crosswalk,TheTypoMaster/chromium-crosswalk,krieger-od/nwjs_chromium.src,Jonekee/chromium.src,markYoungH/chromium.src,TheTypoMaster/chromium-crosswalk,Chilledheart/chromium,krieger-od/nwjs_chromium.src,ondra-novak/chromium.src,hgl888/chromium-crosswalk-efl,bright-sparks/chromium-spacewalk,littlstar/chromium.src,dushu1203/chromium.src,hgl888/chromium-crosswalk,dushu1203/chromium.src,markYoungH/chromium.src,dednal/chromium.src,TheTypoMaster/chromium-crosswalk,chuan9/chromium-crosswalk,ltilve/chromium,hgl888/chromium-crosswalk-efl,Jonekee/chromium.src,bright-sparks/chromium-spacewalk,ondra-novak/chromium.src,crosswalk-project/chromium-crosswalk-efl,dednal/chromium.src,chuan9/chromium-crosswalk,hgl888/chromium-crosswalk-efl,Just-D/chromium-1,dednal/chromium.src,crosswalk-project/chromium-crosswalk-efl,ltilve/chromium,dushu1203/chromium.src,Pluto-tv/chromium-crosswalk,Fireblend/chromium-crosswalk,Just-D/chromium-1,dednal/chromium.src,M4sse/chromium.src,PeterWangIntel/chromium-crosswalk,Pluto-tv/chromium-crosswalk,dednal/chromium.src,ondra-novak/chromium.src,Chilledheart/chromium,ondra-novak/chromium.src,mohamed--abdel-maksoud/chromium.src,Pluto-tv/chromium-crosswalk,axinging/chromium-crosswalk,mohamed--abdel-maksoud/chromium.src,dushu1203/chromium.src,M4sse/chromium.src,crosswalk-project/chromium-crosswalk-efl,hgl888/chromium-crosswalk-efl,krieger-od/nwjs_chromium.src,dushu1203/chromium.src,chuan9/chromium-crosswalk,PeterWangIntel/chromium-crosswalk,jaruba/chromium.src,Just-D/chromium-1,crosswalk-project/chromium-crosswalk-efl,littlstar/chromium.src,hgl888/chromium-crosswalk-efl,markYoungH/chromium.src,ltilve/chromium,TheTypoMaster/chromium-crosswalk,dednal/chromium.src,crosswalk-project/chromium-crosswalk-efl,jaruba/chromium.src,TheTypoMaster/chromium-crosswalk,axinging/chromium-crosswalk,hgl888/chromium-crosswalk,Chilledheart/chromium,axinging/chromium-crosswalk,krieger-od/nwjs_chromium.src,bright-sparks/chromium-spacewalk,Pluto-tv/chromium-crosswalk,dednal/chromium.src,crosswalk-project/chromium-crosswalk-efl,littlstar/chromium.src,ondra-novak/chromium.src,PeterWangIntel/chromium-crosswalk,jaruba/chromium.src,M4sse/chromium.src,hgl888/chromium-crosswalk,axinging/chromium-crosswalk,markYoungH/chromium.src,markYoungH/chromium.src,mohamed--abdel-maksoud/chromium.src,dednal/chromium.src,Fireblend/chromium-crosswalk,fujunwei/chromium-crosswalk,krieger-od/nwjs_chromium.src,Jonekee/chromium.src,fujunwei/chromium-crosswalk,chuan9/chromium-crosswalk,Fireblend/chromium-crosswalk,markYoungH/chromium.src,Fireblend/chromium-crosswalk,markYoungH/chromium.src,dednal/chromium.src,Fireblend/chromium-crosswalk,krieger-od/nwjs_chromium.src,crosswalk-project/chromium-crosswalk-efl,fujunwei/chromium-crosswalk,Jonekee/chromium.src,Just-D/chromium-1,dushu1203/chromium.src,ondra-novak/chromium.src,ltilve/chromium,ltilve/chromium,M4sse/chromium.src,TheTypoMaster/chromium-crosswalk,ltilve/chromium,hgl888/chromium-crosswal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