Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

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 16e04df67f577ad58eb2027c26877adf1f6c51ee..f010de61e0f7777676666378dd64b133798be363 100644
--- a/chrome/browser/history/history_service.cc
+++ b/chrome/browser/history/history_service.cc
@@ -189,6 +189,14 @@ class HistoryService::BackendDelegate : public HistoryBackend::Delegate {
                    changed_urls));
   }
 
+  void NotifyKeywordSearchTermUpdated(const history::URLRow& row,
+                                      KeywordID keyword_id,
+                                      const base::string16& term) override {
+    service_task_runner_->PostTask(
+        FROM_HERE, base::Bind(&HistoryService::NotifyKeywordSearchTermUpdated,
+                              history_service_, row, keyword_id, term));
+  }
+
   void BroadcastNotifications(
       int type,
       scoped_ptr<history::HistoryDetails> details) override {
@@ -1280,6 +1288,15 @@ void HistoryService::NotifyHistoryServiceBeingDeleted() {
                     HistoryServiceBeingDeleted(this));
 }
 
+void HistoryService::NotifyKeywordSearchTermUpdated(
+    const history::URLRow& row,
+    history::KeywordID keyword_id,
+    const base::string16& term) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  FOR_EACH_OBSERVER(history::HistoryServiceObserver, observers_,
+                    OnKeywordSearchTermUpdated(this, row, keyword_id, term));
+}
+
 scoped_ptr<base::CallbackList<void(const std::set<GURL>&)>::Subscription>
 HistoryService::AddFaviconChangedCallback(
     const HistoryService::OnFaviconChangedCallback& callback) {