Remove PrerenderLocalPredictor, part 5.

components/history/core/browser/history_backend.h

Index: components/history/core/browser/history_backend.h
diff --git a/components/history/core/browser/history_backend.h b/components/history/core/browser/history_backend.h
index 9a58cd4c06076c33d6f4276eea67088d869200b5..45d261e8a82bda017902843ca82681aa4dea65ae 100644
--- a/components/history/core/browser/history_backend.h
+++ b/components/history/core/browser/history_backend.h
@@ -118,10 +118,6 @@ class HistoryBackend : public base::RefCountedThreadSafe<HistoryBackend>,
     virtual void SetInMemoryBackend(
         scoped_ptr<InMemoryHistoryBackend> backend) = 0;
 
-    // Notify HistoryService that VisitDatabase was changed. The event will be
-    // forwarded to the HistoryServiceObservers in the UI thread.
-    virtual void NotifyAddVisit(const BriefVisitInfo& info) = 0;
-
     // Notify HistoryService that some URLs favicon changed that will forward
     // the events to the FaviconChangedObservers in the correct thread.
     virtual void NotifyFaviconChanged(const std::set<GURL>& urls) = 0;
@@ -742,9 +738,6 @@ class HistoryBackend : public base::RefCountedThreadSafe<HistoryBackend>,
   // may return null during testing.
   HistoryClient* GetHistoryClient();
 
-  // Notify any observers of an addition to the visit database.
-  void NotifyVisitObservers(const VisitRow& visit);
-
   // Data ----------------------------------------------------------------------
 
   // Delegate. See the class definition above for more information. This will