Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

chrome/browser/history/history_notifications.h

Index: chrome/browser/history/history_notifications.h
diff --git a/chrome/browser/history/history_notifications.h b/chrome/browser/history/history_notifications.h
index 6178b99a2780a8bd79d8fe6d83f478df942501ba..add1ffb113bb3b032c8ab31722664d85ee833100 100644
--- a/chrome/browser/history/history_notifications.h
+++ b/chrome/browser/history/history_notifications.h
@@ -49,20 +49,6 @@ struct URLsDeletedDetails : public HistoryDetails {
   std::set<GURL> favicon_urls;
 };
 
-// Details for HISTORY_KEYWORD_SEARCH_TERM_UPDATED.
-struct KeywordSearchUpdatedDetails : public HistoryDetails {
-  KeywordSearchUpdatedDetails(const URLRow& url_row,
-                              KeywordID keyword_id,
-                              const base::string16& term);
-  ~KeywordSearchUpdatedDetails() override;
-
-  // The affected URLRow. The ID will be set to the value that is currently in
-  // effect in the main history database.
-  URLRow url_row;
-  KeywordID keyword_id;
-  base::string16 term;
-};
-
 // Details for HISTORY_KEYWORD_SEARCH_TERM_DELETED.
 struct KeywordSearchDeletedDetails : public HistoryDetails {
   explicit KeywordSearchDeletedDetails(URLID url_row_id);