UnregisterSiteInstance   80 content/browser/browsing_instance.h   void UnregisterSiteInstance(SiteInstance* site_instance);
UnregisterSiteInstance   45 content/browser/site_instance_impl.cc     browsing_instance_->UnregisterSiteInstance(
UnregisterSiteInstance  157 content/browser/site_instance_impl_unittest.cc   using BrowsingInstance::UnregisterSiteInstance;