Add PrerenderLocalPredictor, which will eventually perform

chrome/browser/history/history_unittest.cc

 // 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.
 
 // History unit tests come in two flavors:
 //
 // 1. The more complicated style is that the unit test creates a full history
 //    service. This spawns a background thread for the history backend, and
 //    all communication is asynchronous. This is useful for testing more
 //    complicated things or end-to-end behavior.
@@ skipping 76 matching lines @@
   }
 
   virtual void NotifyProfileError(int backend_id,
                                   sql::InitStatus init_status) OVERRIDE {}
   virtual void SetInMemoryBackend(int backend_id,
                                   InMemoryHistoryBackend* backend) OVERRIDE;
   virtual void BroadcastNotifications(int type,
                                       HistoryDetails* details) OVERRIDE;
   virtual void DBLoaded(int backend_id) OVERRIDE {}
   virtual void StartTopSitesMigration(int backend_id) OVERRIDE {}
+  virtual void NotifyVisitDBObserversOnAddVisit(
+      const BriefVisitInfo& info) OVERRIDE {}
  private:
   HistoryTest* history_test_;
 };
 
 // This must be outside the anonymous namespace for the friend statement in
 // HistoryBackend to work.
 class HistoryTest : public testing::Test {
  public:
   HistoryTest()
       : history_service_(NULL),
@@ skipping 847 matching lines @@
   history_service_ = history;
   history->ScheduleDBTask(task.get(), &request_consumer);
   request_consumer.CancelAllRequests();
   CleanupHistoryService();
   // WARNING: history has now been deleted.
   history = NULL;
   ASSERT_FALSE(task->done_invoked);
 }
 
 }  // namespace history