history_data_observer.h   14 chrome/browser/ui/app_list/search/history.h #include "chrome/browser/ui/app_list/search/history_data_observer.h"
history_data_observer.h   11 chrome/browser/ui/app_list/search/history_data.cc #include "chrome/browser/ui/app_list/search/history_data_observer.h"
history_data_observer.h   15 chrome/browser/ui/app_list/search/history_unittest.cc #include "chrome/browser/ui/app_list/search/history_data_observer.h"