Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_DELETED

chrome/browser/chrome_notification_types.h

Index: chrome/browser/chrome_notification_types.h
diff --git a/chrome/browser/chrome_notification_types.h b/chrome/browser/chrome_notification_types.h
index 1028207ae97b9e5b7f5508db94354e5c763d90d2..051a23198019ccdc6230b8f5136dbc457b880205 100644
--- a/chrome/browser/chrome_notification_types.h
+++ b/chrome/browser/chrome_notification_types.h
@@ -236,10 +236,6 @@ enum NotificationType {
   // the details is history::URLsDeletedDetails that lists the deleted URLs.
   NOTIFICATION_HISTORY_URLS_DELETED,
 
-  // Sent when a keyword search term is deleted. The source is the Profile and
-  // the details is history::KeywordSearchDeletedDetails.
-  NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_DELETED,
-
   // Sent by FaviconTabHelper when a tab's favicon has been successfully
   // updated. The details are a bool indicating whether the
   // NavigationEntry's favicon URL has changed since the previous