Disable PPAPITest.DeviceContext2D on Win as well. It failed on  multiple win bots:
Disable PPAPITest.DeviceContext2D on Win as well. It failed on 
multiple win bots:

PPAPITest.DeviceContext2D: 
C:\b\slave\chromium-rel-xp\build\src\chrome\test\ui\ppapi_uitest.cc(69): error: Value of: escaped_value.c_str()
  Actual: "Test case could not initialize"
  Expected: "PASS"

BUG=None
TEST=UI test passes on Windows
TBR=brettw

Review URL: http://codereview.chromium.org/2755004

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@49435 0039d316-1c4b-4281-b951-d872f2087c98

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