Make sure that begin time cannot be greater than

Source/core/svg/animation/SVGSMILElement.cpp

Index: Source/core/svg/animation/SVGSMILElement.cpp
diff --git a/Source/core/svg/animation/SVGSMILElement.cpp b/Source/core/svg/animation/SVGSMILElement.cpp
index 9f2321f8714f0437416d07e96678d104118fd427..903b246481fc94a26cfe1086e3ce0d76039b337b 100644
--- a/Source/core/svg/animation/SVGSMILElement.cpp
+++ b/Source/core/svg/animation/SVGSMILElement.cpp
@@ -370,7 +370,7 @@ SMILTime SVGSMILElement::parseOffsetValue(const String& data)
         result = parse.left(parse.length() - 1).toDouble(&ok);
     else
         result = parse.toDouble(&ok);
-    if (!ok)
+    if (!ok || !SMILTime(result).isFinite())
         return SMILTime::unresolved();
     return result;
 }
@@ -406,7 +406,7 @@ SMILTime SVGSMILElement::parseClockValue(const String& data)
     } else
         return parseOffsetValue(parse);
 
-    if (!ok)
+    if (!ok || !SMILTime(result).isFinite())
         return SMILTime::unresolved();
     return result;
 }