Revert r116518 "Disconnect signal connectors before deleting NativeWidgetGtk"
Revert r116518 "Disconnect signal connectors before deleting NativeWidgetGtk"

This reverts commit f109f51bb261a33db34d37c7dc9062f9aad2348d.

TBR=sky@chromium.org
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/9116023

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@116576 0039d316-1c4b-4281-b951-d872f2087c98

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