Merge 132724

Source/WebCore/svg/animation/SVGSMILElement.cpp

Index: Source/WebCore/svg/animation/SVGSMILElement.cpp
===================================================================
--- Source/WebCore/svg/animation/SVGSMILElement.cpp	(revision 132837)
+++ Source/WebCore/svg/animation/SVGSMILElement.cpp	(working copy)
@@ -713,6 +713,7 @@
 
 void SVGSMILElement::addBeginTime(SMILTime eventTime, SMILTime beginTime, SMILTimeWithOrigin::Origin origin)
 {
+    ASSERT(!isnan(beginTime.value()));
     m_beginTimes.append(SMILTimeWithOrigin(beginTime, origin));
     sortTimeList(m_beginTimes);
     beginListChanged(eventTime);
@@ -720,6 +721,7 @@
 
 void SVGSMILElement::addEndTime(SMILTime eventTime, SMILTime endTime, SMILTimeWithOrigin::Origin origin)
 {
+    ASSERT(!isnan(endTime.value()));
     m_endTimes.append(SMILTimeWithOrigin(endTime, origin));
     sortTimeList(m_endTimes);
     endListChanged(eventTime);