Allow any redirects within frame for GAIA auth extension.
Allow any redirects within frame for GAIA auth extension.

Sometimes GAIA auth may redirect to local TLD (e.g. accounts.google.de)
and restrictive content_script_policy for frame-src may reject such
redirects. Rather than lising all google TLDs, allow any sites to be
redirected.

OK'ed by abarth@.

BUG=169229
TEST=manually login through GAIA signin process (e.g. new user).


Review URL: https://chromiumcodereview.appspot.com/11853008

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@176623 0039d316-1c4b-4281-b951-d872f2087c98

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