IsValidQuery       28 chrome/browser/ui/app_list/search/common/webservice_search_provider.h   bool IsValidQuery(const base::string16& query);
IsValidQuery       57 chrome/browser/ui/app_list/search/people/people_provider.cc   if (!IsValidQuery(query)) {
IsValidQuery       50 chrome/browser/ui/app_list/search/webstore/webstore_provider.cc   if (!IsValidQuery(query)) {