Replace open-coded toSVG<type> with DEFINE_SVG_PROPERTY_TYPE_CASTS

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

Index: third_party/WebKit/Source/core/svg/SVGLengthList.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGLengthList.cpp b/third_party/WebKit/Source/core/svg/SVGLengthList.cpp
index 1fadc5eb0daf1e93703d6ac7abf0e9bcbd858d47..46c57c9188b0edc8243e6b2b4f860bcd9198bfdc 100644
--- a/third_party/WebKit/Source/core/svg/SVGLengthList.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGLengthList.cpp
@@ -28,12 +28,7 @@
 
 namespace blink {
 
-inline PassRefPtrWillBeRawPtr<SVGLengthList> toSVGLengthList(PassRefPtrWillBeRawPtr<SVGPropertyBase> passBase)
-{
-    RefPtrWillBeRawPtr<SVGPropertyBase> base = passBase;
-    ASSERT(base->type() == SVGLengthList::classType());
-    return static_pointer_cast<SVGLengthList>(base.release());
-}
+DEFINE_SVG_PROPERTY_TYPE_CASTS(SVGLengthList);
 
 SVGLengthList::SVGLengthList(SVGLengthMode mode)
     : m_mode(mode)