Temporarily removes changing brightness during animations. Animating the brightness appears to drop the frame rate in half.
Temporarily removes changing brightness during animations. Animating
the brightness appears to drop the frame rate in half.

BUG=none
TEST=none
R=ben@chromium.org
TBR=ben@chromium.org


Review URL: https://chromiumcodereview.appspot.com/10917289

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@157058 0039d316-1c4b-4281-b951-d872f2087c98

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