Removing using declarations that import names in the C++ Standard library.

Source/core/html/TimeRanges.cpp

 /*
  * Copyright (C) 2007, 2009, 2010 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 15 matching lines @@
 #include "config.h"
 #include "core/html/TimeRanges.h"
 
 #include "bindings/v8/ExceptionMessages.h"
 #include "bindings/v8/ExceptionState.h"
 #include "bindings/v8/ExceptionStatePlaceholder.h"
 #include "core/dom/ExceptionCode.h"
 #include <math.h>
 
 using namespace WebCore;
-using namespace std;
 
 TimeRanges::TimeRanges(double start, double end)
 {
     ScriptWrappable::init(this);
     add(start, end);
 }
 
 PassRefPtr<TimeRanges> TimeRanges::create(const blink::WebTimeRanges& webRanges)
 {
     RefPtr<TimeRanges> ranges = TimeRanges::create();
@@ skipping 146 matching lines @@
         double endTime = end(ndx, IGNORE_EXCEPTION);
         if (time >= startTime && time <= endTime)
             return time;
         if (fabs(startTime - time) < closest)
             closest = fabs(startTime - time);
         else if (fabs(endTime - time) < closest)
             closest = fabs(endTime - time);
     }
     return closest;
 }