Improve media-related exception messages

Source/core/html/track/vtt/VTTRegion.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 57 matching lines @@
 // Default scrolling animation time period (s).
 static const float scrollTime = 0.433;
 
 static bool isInfiniteOrNonNumberOrNonPercentage(double value, const char* method, ExceptionState& exceptionState)
 {
     if (!std::isfinite(value)) {
         exceptionState.throwTypeError(ExceptionMessages::notAFiniteNumber(value));
         return true;
     }
     if (value < 0 || value > 100) {
-        exceptionState.throwDOMException(IndexSizeError, "The value provided (" + String::number(value) + ") is not between 0 and 100.");
+        exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexOutsideRange("value", value, 0.0, ExceptionMessages::InclusiveBound, 100.0, ExceptionMessages::InclusiveBound));
         return true;
     }
     return false;
 }
 
 VTTRegion::VTTRegion()
     : m_id(emptyString())
     , m_width(defaultWidth)
     , m_heightInLines(defaultHeightInLines)
     , m_regionAnchor(FloatPoint(defaultAnchorPointX, defaultAnchorPointY))
@@ skipping 376 matching lines @@
 
 void VTTRegion::scrollTimerFired(Timer<VTTRegion>*)
 {
     WTF_LOG(Media, "VTTRegion::scrollTimerFired");
 
     stopTimer();
     displayLastVTTCueBox();
 }
 
 } // namespace WebCore