Create less segments in std::string internals On my unit_tests runs, up to 25% of the memory accesses were from inside the std::string internals, which is A LOT. TBR=glider TEST=unit_tests should become faster Review URL: https://chromiumcodereview.appspot.com/10834050
Create less segments in std::string internals
On my unit_tests runs, up to 25% of the memory accesses were from inside
the std::string internals, which is A LOT.
TBR=glider
TEST=unit_tests should become faster
Review URL: https://chromiumcodereview.appspot.com/10834050

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@148748 0039d316-1c4b-4281-b951-d872f2087c98

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