Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

chrome/browser/android/provider/chrome_browser_provider.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_PROVIDER_CHROME_BROWSER_PROVIDER_H_
 #define CHROME_BROWSER_ANDROID_PROVIDER_CHROME_BROWSER_PROVIDER_H_
 
 #include "base/android/jni_weak_ref.h"
 #include "base/android/scoped_java_ref.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 168 matching lines @@
 
   // Override bookmarks::BaseBookmarkModelObserver.
   virtual void BookmarkModelChanged() override;
   virtual void ExtensiveBookmarkChangesBeginning(BookmarkModel* model) override;
   virtual void ExtensiveBookmarkChangesEnded(BookmarkModel* model) override;
 
   // Deals with updates to the history service.
   void OnHistoryChanged();
 
   // 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,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) override;
 
   JavaObjectWeakGlobalRef weak_java_provider_;
 
   // Profile must outlive this object.
   //
@@ skipping 13 matching lines @@
   content::NotificationRegistrar notification_registrar_;
   ScopedObserver<HistoryService, HistoryServiceObserver>
       history_service_observer_;
 
   bool handling_extensive_changes_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserProvider);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_PROVIDER_CHROME_BROWSER_PROVIDER_H_