Changed typed url sync to no longer modify typed/visit_count.

chrome/browser/history/history.h

 // Copyright (c) 2011 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_HISTORY_HISTORY_H_
 #define CHROME_BROWSER_HISTORY_HISTORY_H_
 #pragma once
 
 #include <set>
 #include <vector>
@@ skipping 534 matching lines @@
   // There can be only one closing task, so this will override any previously
   // set task. We will take ownership of the pointer and delete it when done.
   // The task will be run on the calling thread (this function is threadsafe).
   void SetOnBackendDestroyTask(Task* task);
 
   // Used for unit testing and potentially importing to get known information
   // into the database. This assumes the URL doesn't exist in the database
   //
   // Calling this function many times may be slow because each call will
   // dispatch to the history thread and will be a separate database
-  // transaction. If this functionality is needed for importing many URLs, a
-  // version that takes an array should probably be added.
+  // transaction. If this functionality is needed for importing many URLs,
+  // callers should use AddPagesWithDetails() instead.
+  //
+  // Note that this routine (and AddPageWithDetails()) always adds a single
+  // visit using the |last_visit| timestamp, and a PageTransition type of LINK,
+  // if |visit_source| != SYNCED.
   void AddPageWithDetails(const GURL& url,
                           const string16& title,
                           int visit_count,
                           int typed_count,
                           base::Time last_visit,
                           bool hidden,
                           history::VisitSource visit_source);
 
   // The same as AddPageWithDetails() but takes a vector.
   void AddPagesWithDetails(const std::vector<history::URLRow>& info,
@@ skipping 302 matching lines @@
   BookmarkService* bookmark_service_;
   bool no_db_;
 
   // True if needs top site migration.
   bool needs_top_sites_migration_;
 
   DISALLOW_COPY_AND_ASSIGN(HistoryService);
 };
 
 #endif  // CHROME_BROWSER_HISTORY_HISTORY_H_