Change default memory model from MEDIUM to HIGH. This will eliminate the workingsetsize reductions that we currently do in the browser.
Change default memory model from MEDIUM to HIGH.
This will eliminate the workingsetsize reductions
that we currently do in the browser.

Memory usage will increase by about 25%.  But it should
alleviate swapping issues that some users are seeing.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/173057

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@23818 0039d316-1c4b-4281-b951-d872f2087c98

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