Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

chrome/browser/android/provider/chrome_browser_provider.h

Index: chrome/browser/android/provider/chrome_browser_provider.h
diff --git a/chrome/browser/android/provider/chrome_browser_provider.h b/chrome/browser/android/provider/chrome_browser_provider.h
index 29f4993d519cf3d45a652ec399a855845f1d2494..bc4dce39d401790e0921bbe358c9667c4affbcbf 100644
--- a/chrome/browser/android/provider/chrome_browser_provider.h
+++ b/chrome/browser/android/provider/chrome_browser_provider.h
@@ -185,12 +185,20 @@ class ChromeBrowserProvider : public bookmarks::BaseBookmarkModelObserver,
   // Deals with updates to the history service.
   void OnHistoryChanged();
 
+  // Deals with updates to the history service for history keyword search term
+  // updated and notify to android.
+  void OnSearchTermUpdated();
+
   // Override history::HistoryServiceObserver.
-  virtual void OnURLVisited(HistoryService* history_service,
-                            ui::PageTransition transition,
-                            const history::URLRow& row,
-                            const history::RedirectList& redirects,
-                            base::Time visit_time) override;
+  void OnURLVisited(HistoryService* history_service,
+                    ui::PageTransition transition,
+                    const history::URLRow& row,
+                    const history::RedirectList& redirects,
+                    base::Time visit_time) override;
+  void OnKeywordSearchTermUpdated(HistoryService* history_service,
+                                  const history::URLRow& row,
+                                  history::KeywordID keyword_id,
+                                  const base::string16& term) override;
 
   // Override content::NotificationObserver.
   virtual void Observe(int type,