Handle a case where the document is being served up from cache.  In that case we have to get to the browser service object via a different set of QS calls.
Handle a case where the document is being served up from cache.  In that case we have to get to the browser service object via a different set of QS calls.

TEST=This is a part of the onhttpequiv effort.  For now there won't be any visible changes since onhttpequiv is disabled but once it becomes enabled again, CF will be detected for cached pages as well as non-cached.
BUG=none

Review URL: http://codereview.chromium.org/573012

git-svn-id: de016e52bd170d2d4f2344f9bf92d50478b649e0@38132 0039d316-1c4b-4281-b951-d872f2087c98

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