Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

chrome/browser/history/history_backend.h

Index: chrome/browser/history/history_backend.h
diff --git a/chrome/browser/history/history_backend.h b/chrome/browser/history/history_backend.h
index d0987e541af75e6c71a21cf38c88aa38b9cbf99b..f587f4871ec5f599b92111ffa2a9f2bfe6dcb8b2 100644
--- a/chrome/browser/history/history_backend.h
+++ b/chrome/browser/history/history_backend.h
@@ -143,6 +143,14 @@ class HistoryBackend : public base::RefCountedThreadSafe<HistoryBackend>,
     // be forwarded to the HistoryServiceObservers in the correct thread.
     virtual void NotifyURLsModified(const URLRows& changed_urls) = 0;
 
+    // Notify HistoryService that some keyword has be searched in omni box. The

[nshaik, 2014/12/30 18:56:35]

nit: has "to" be searched

+    // event will be forwarded to the HistoryServiceObservers in the correct
+    // thread.
+    virtual void NotifyHistoryKeywordSearchTermUpdated(

[sdefresne, 2014/12/29 09:53:26]

nit: rename to NotifyKeyedSearchTermUpdated (we are in History code, so no need
to repeat ourselves).

[sdefresne, 2014/12/29 09:53:26]

nit: rename to NotifyKeyedSearchTermUpdated (we are in History code, so no need
to repeat ourselves).

[Abhishek, 2014/12/29 14:12:40]

Done.

+        const URLRow& row,
+        KeywordID keyword_id,
+        const base::string16& term) = 0;
+
     // Broadcasts the specified notification to the notification service.
     // This is implemented here because notifications must only be sent from
     // the main thread. This is the only method that doesn't identify the