Reset tunnel request headers after they are sent. There headers should be reinitialized when a client is going to reconnect because of invalid cert or client cert request.
Reset tunnel request headers after they are sent.
There headers should be reinitialized when a client is going to reconnect
because of invalid cert or client cert request.

BUG=133243
TEST=none

Review URL: https://chromiumcodereview.appspot.com/10582016

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@143147 0039d316-1c4b-4281-b951-d872f2087c98

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