Improve media-related exception messages

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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #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)
 {
@@ skipping 70 matching lines @@
         const Range& range = other->m_ranges[index];
         unioned->add(range.m_start, range.m_end);
     }
 
     m_ranges.swap(unioned->m_ranges);
 }
 
 double TimeRanges::start(unsigned index, ExceptionState& exceptionState) const
 {
     if (index >= length()) {
-        exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is not less than the object's length (" + String::number(length()) + ").");
+        exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexExceedsMaximumBound("index", index, length()));
         return 0;
     }
     return m_ranges[index].m_start;
 }
 
 double TimeRanges::end(unsigned index, ExceptionState& exceptionState) const
 {
     if (index >= length()) {
-        exceptionState.throwDOMException(IndexSizeError, "The index provided (" + String::number(index) + ") is not less than the object's length (" + String::number(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;
     Range addedRange(start, end);
@@ skipping 53 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;
 }