Removed unneeded includes of base/time.h.

chrome/browser/history/visit_tracker.h

 // Copyright (c) 2006-2008 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_VISIT_TRACKER_H__
 #define CHROME_BROWSER_HISTORY_VISIT_TRACKER_H__
 
 #include <list>
 #include <map>
 
 #include "base/basictypes.h"
-#include "base/time.h"
 #include "chrome/browser/history/history_types.h"
 
 namespace history {
 
 // Tracks history transitions between pages. The history backend uses this to
 // link up page transitions to form a chain of page visits, and to set the
 // transition type properly.
 //
 // This class is not thread safe.
 class VisitTracker {
@@ skipping 35 matching lines @@
 
   // Maps render view hosts to lists of recent transitions.
   HostList hosts_;
 
   DISALLOW_EVIL_CONSTRUCTORS(VisitTracker);
 };
 
 }  // namespace history
 
 #endif  // CHROME_BROWSER_HISTORY_VISIT_TRACKER_H__