Eliminate sending NOTIFICATION_HISTORY_KEYWORD_SEARCH_TERM_UPDATED

chrome/browser/history/android/android_provider_backend_unittest.cc

Index: chrome/browser/history/android/android_provider_backend_unittest.cc
diff --git a/chrome/browser/history/android/android_provider_backend_unittest.cc b/chrome/browser/history/android/android_provider_backend_unittest.cc
index caa0b31da9c44321e6f3c8c3b6cb766d7652ba20..4a6f65672abfe05e82923ccfa6406e5572c7f595 100644
--- a/chrome/browser/history/android/android_provider_backend_unittest.cc
+++ b/chrome/browser/history/android/android_provider_backend_unittest.cc
@@ -84,6 +84,9 @@ class AndroidProviderBackendDelegate : public HistoryBackend::Delegate {
   void NotifyURLsModified(const history::URLRows& rows) override {
     modified_details_.reset(new history::URLRows(rows));
   }
+  void NotifyKeywordSearchTermUpdated(const URLRow& row,
+                                      KeywordID keyword_id,
+                                      const base::string16& term) override {}
   void BroadcastNotifications(
       int type,
       scoped_ptr<HistoryDetails> details) override {