Make clearing the animated type at the end of an interval more robust

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 20ac8cd39ffdb471d997eb0b5a7583e4c6bd64b5..8e3ee0e6307a00ca144e58e03039f7be48046f80 100644
--- a/Source/core/svg/animation/SVGSMILElement.cpp
+++ b/Source/core/svg/animation/SVGSMILElement.cpp
@@ -1020,7 +1020,7 @@ SVGSMILElement::RestartedInterval SVGSMILElement::maybeRestartInterval(SMILTime
     }
 
     if (elapsed >= m_intervalEnd) {
-        if (resolveNextInterval())
+        if (resolveNextInterval() && elapsed >= m_intervalBegin)
             return DidRestartInterval;
     }
     return DidNotRestartInterval;
@@ -1197,7 +1197,7 @@ bool SVGSMILElement::progress(SMILTime elapsed, SVGSMILElement* resultElement, b
     if ((oldActiveState == Active && m_activeState != Active) || restartedInterval == DidRestartInterval) {
         smilEndEventSender().dispatchEventSoon(this);
         endedActiveInterval();
-        if (restartedInterval == DidNotRestartInterval && m_activeState != Frozen && this == resultElement)
+        if (!animationIsContributing && this == resultElement)
             clearAnimatedType(m_targetElement);
     }