Fix the webkit.org build of chromium.
Fix the webkit.org build of chromium.

http://build.chromium.org/buildbot/waterfall.fyi/waterfall?builder=Webkit%20%28webkit.org%29

This is the same code that was there upstream before these methods
became pure virtual.

TBR=dglazkov


git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@16492 0039d316-1c4b-4281-b951-d872f2087c98

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