Merge 132724

Source/WebCore/svg/animation/SMILTime.h

 /*
  * Copyright (C) 2008 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 11 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #ifndef SMILTime_h
 #define SMILTime_h
 
 #if ENABLE(SVG)
 
 #include <algorithm>
+#include <wtf/MathExtras.h>
 
 namespace WebCore {
 
 class SMILTime {
 public:
     SMILTime() : m_time(0) { }
-    SMILTime(double time) : m_time(time) { }
+    SMILTime(double time) : m_time(time) { ASSERT(!isnan(time)); }
     SMILTime(const SMILTime& o) : m_time(o.m_time) { }
     
     static SMILTime unresolved() { return unresolvedValue; }
     static SMILTime indefinite() { return indefiniteValue; }
     
     SMILTime& operator=(const SMILTime& o) { m_time = o.m_time; return *this; }
     double value() const { return m_time; }
     
     bool isFinite() const { return m_time < indefiniteValue; }
     bool isIndefinite() const { return m_time == indefiniteValue; }
@@ skipping 43 matching lines @@
 
 SMILTime operator+(const SMILTime&, const SMILTime&);
 SMILTime operator-(const SMILTime&, const SMILTime&);
 // So multiplying times does not make too much sense but SMIL defines it for duration * repeatCount
 SMILTime operator*(const SMILTime&, const SMILTime&);
 
 }
 
 #endif // ENABLE(SVG)
 #endif // SMILTime_h