Temporarily disable in-browser thumbnailing on Win and Mac.
Temporarily disable in-browser thumbnailing on Win and Mac.

There is a regression caused by in-browser thumbnailin gon Win and Mac.
http://code.google.com/p/chromium/issues/detail?id=130916

I temporarily disable it until the cause of the regression is identified.

TBR=brettw
BUG=130916,120003
TEST=None

Review URL: https://chromiumcodereview.appspot.com/10544008

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@140596 0039d316-1c4b-4281-b951-d872f2087c98

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