StartPageService 50 chrome/browser/ui/app_list/start_page_service.cc class StartPageService::ProfileDestroyObserver StartPageService 77 chrome/browser/ui/app_list/start_page_service.cc class StartPageService::StartPageWebContentsDelegate StartPageService 119 chrome/browser/ui/app_list/start_page_service.cc StartPageService::~StartPageService() {}