Moved --use-gl=osmesa to UITest::SetUp so it is not visible to pyautolib.
Moved --use-gl=osmesa to UITest::SetUp so it is not visible to pyautolib.

It derives from UITestBase.

TEST=ui_tests
BUG=62602

Review URL: http://codereview.chromium.org/4662005

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@65616 0039d316-1c4b-4281-b951-d872f2087c98

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