Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

chrome/browser/history/history_notifications.cc

Index: chrome/browser/history/history_notifications.cc
diff --git a/chrome/browser/history/history_notifications.cc b/chrome/browser/history/history_notifications.cc
index 145cec486103465688e550f33e3a0c46605e813e..e052ec65d64936f5c101202d2a419586d468d86a 100644
--- a/chrome/browser/history/history_notifications.cc
+++ b/chrome/browser/history/history_notifications.cc
@@ -17,17 +17,6 @@ URLsDeletedDetails::URLsDeletedDetails()
 
 URLsDeletedDetails::~URLsDeletedDetails() {}
 
-KeywordSearchUpdatedDetails::KeywordSearchUpdatedDetails(
-    const URLRow& url_row,
-    KeywordID keyword_id,
-    const base::string16& term)
-    : url_row(url_row),
-      keyword_id(keyword_id),
-      term(term) {
-}
-
-KeywordSearchUpdatedDetails::~KeywordSearchUpdatedDetails() {}
-
 KeywordSearchDeletedDetails::KeywordSearchDeletedDetails(URLID url_row_id)
     : url_row_id(url_row_id) {
 }