SVG animateMotion paths that only cause offsets are no longer ignored

third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.cpp b/third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.cpp
index bbd4503917039afa145ae4895cbb7616053e24cc..72dd2ff5a56a989da8cc5fd1c4d4f4ea9d0e1f45 100644
--- a/third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGAnimateMotionElement.cpp
@@ -253,15 +253,12 @@ void SVGAnimateMotionElement::calculateAnimatedValue(float percentage, unsigned
     float positionOnPath = m_animationPath.length() * percentage;
     FloatPoint position;
     float angle;
-    bool ok = m_animationPath.pointAndNormalAtLength(positionOnPath, position, angle);
-    if (!ok)
-        return;
+    m_animationPath.pointAndNormalAtLength(positionOnPath, position, angle);
 
     // Handle accumulate="sum".
     if (isAccumulated() && repeatCount) {
-        FloatPoint positionAtEndOfDuration = m_animationPath.pointAtLength(m_animationPath.length(), ok);
-        if (ok)
-            position.move(positionAtEndOfDuration.x() * repeatCount, positionAtEndOfDuration.y() * repeatCount);
+        FloatPoint positionAtEndOfDuration = m_animationPath.pointAtLength(m_animationPath.length());
+        position.move(positionAtEndOfDuration.x() * repeatCount, positionAtEndOfDuration.y() * repeatCount);
     }
 
     transform->translate(position.x(), position.y());