Omit "int" when using "unsigned" modifier

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 117 matching lines @@
     if (index >= length()) {
         exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexExceedsMaximumBound("index", index, length()));
         return 0;
     }
     return m_ranges[index].m_end;
 }
 
 void TimeRanges::add(double start, double end)
 {
     ASSERT(start <= end);
-    unsigned int overlappingArcIndex;
+    unsigned overlappingArcIndex;
     Range addedRange(start, end);
 
     // For each present range check if we need to:
     // - merge with the added range, in case we are overlapping or contiguous
     // - Need to insert in place, we we are completely, not overlapping and not contiguous
     // in between two ranges.
     //
     // TODO: Given that we assume that ranges are correctly ordered, this could be optimized.
 
     for (overlappingArcIndex = 0; overlappingArcIndex < m_ranges.size(); overlappingArcIndex++) {
@@ skipping 44 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;
 }