Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_DELETED

chrome/browser/history/history_service.cc

Index: chrome/browser/history/history_service.cc
diff --git a/chrome/browser/history/history_service.cc b/chrome/browser/history/history_service.cc
index f010de61e0f7777676666378dd64b133798be363..a91bc00fe6a27cd1f533eed8cac383a1db030606 100644
--- a/chrome/browser/history/history_service.cc
+++ b/chrome/browser/history/history_service.cc
@@ -197,6 +197,12 @@ class HistoryService::BackendDelegate : public HistoryBackend::Delegate {
                               history_service_, row, keyword_id, term));
   }
 
+  void NotifyKeywordSearchTermDeleted(history::URLID url_id) override {
+    service_task_runner_->PostTask(
+        FROM_HERE, base::Bind(&HistoryService::NotifyKeywordSearchTermDeleted,
+                              history_service_, url_id));
+  }
+
   void BroadcastNotifications(
       int type,
       scoped_ptr<history::HistoryDetails> details) override {
@@ -1297,6 +1303,12 @@ void HistoryService::NotifyKeywordSearchTermUpdated(
                     OnKeywordSearchTermUpdated(this, row, keyword_id, term));
 }
 
+void HistoryService::NotifyKeywordSearchTermDeleted(history::URLID url_id) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  FOR_EACH_OBSERVER(history::HistoryServiceObserver, observers_,
+                    OnKeywordSearchTermDeleted(this, url_id));
+}
+
 scoped_ptr<base::CallbackList<void(const std::set<GURL>&)>::Subscription>
 HistoryService::AddFaviconChangedCallback(
     const HistoryService::OnFaviconChangedCallback& callback) {