TabObserverMap 50 chrome/browser/extensions/api/web_navigation/web_navigation_api.cc static base::LazyInstance<TabObserverMap> g_tab_observer = TabObserverMap 255 chrome/browser/extensions/api/web_navigation/web_navigation_api.cc g_tab_observer.Get().insert(TabObserverMap::value_type(web_contents, this)); TabObserverMap 266 chrome/browser/extensions/api/web_navigation/web_navigation_api.cc TabObserverMap::iterator i = g_tab_observer.Get().find(web_contents);