Use StylePath instead of (Path)StyleMotionPath

third_party/WebKit/Source/core/style/StylePath.cpp

Index: third_party/WebKit/Source/core/style/StylePath.cpp
diff --git a/third_party/WebKit/Source/core/style/StylePath.cpp b/third_party/WebKit/Source/core/style/StylePath.cpp
index 5ed7a3c2a619ee38b5b2346ed75b39ae2c25940d..2f67b68bfec1cf01227ecfa85db9c5371156bdab 100644
--- a/third_party/WebKit/Source/core/style/StylePath.cpp
+++ b/third_party/WebKit/Source/core/style/StylePath.cpp
@@ -13,6 +13,7 @@ namespace blink {
 
 StylePath::StylePath(PassRefPtr<SVGPathByteStream> pathByteStream)
     : m_byteStream(pathByteStream)
+    , m_pathLength(std::numeric_limits<float>::quiet_NaN())
 {
     ASSERT(m_byteStream);
 }
@@ -41,6 +42,18 @@ const Path& StylePath::path() const
     return *m_path;
 }
 
+float StylePath::length() const
+{
+    if (std::isnan(m_pathLength))
+        m_pathLength = path().length();
+    return m_pathLength;
+}
+
+bool StylePath::isClosed() const
+{
+    return path().isClosed();
+}
+
 const SVGPathByteStream& StylePath::byteStream() const
 {
     return *m_byteStream;