Fix TimeRanges::nearest() to actually calculate nearest time.

Source/core/html/HTMLMediaElement.cpp

 /*
  * Copyright (C) 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 1974 matching lines @@
             if (previousSeekStillPending)
                 return;
             // FIXME: There must be a stable state before timeupdate+seeked are dispatched and seeking
             // is reset to false. See http://crbug.com/266631
             scheduleTimeupdateEvent(false);
             scheduleEvent(EventTypeNames::seeked);
         }
         m_seeking = false;
         return;
     }
-    time = seekableRanges->nearest(time);
+    time = seekableRanges->nearest(time, now);
 
     if (m_playing) {
         if (m_lastSeekTime < now)
             addPlayedRange(m_lastSeekTime, now);
     }
     m_lastSeekTime = time;
     m_sentEndEvent = false;
 
     // 10 - Queue a task to fire a simple event named seeking at the element.
     scheduleEvent(EventTypeNames::seeking);
@@ skipping 1977 matching lines @@
 
 #if ENABLE(WEB_AUDIO)
 void HTMLMediaElement::clearWeakMembers(Visitor* visitor)
 {
     if (!visitor->isAlive(m_audioSourceNode) && audioSourceProvider())
         audioSourceProvider()->setClient(0);
 }
 #endif
 
 }