Allow renderer to process file messages from pepper plugins even while closing. This is necessary to allow the plugin to save cached state when the renderer removes it as part of closing.
Allow renderer to process file messages from pepper plugins even while closing.
This is necessary to allow the plugin to save cached state when the renderer
removes it as part of closing.

BUG=https://code.google.com/p/flapper/issues/detail?id=120
Review URL: https://chromiumcodereview.appspot.com/10260035

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@134979 0039d316-1c4b-4281-b951-d872f2087c98

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