Lazily create the Path in StylePath

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 674ba453142edff904bd52a58cce32e3da49fbbf..5ed7a3c2a619ee38b5b2346ed75b39ae2c25940d 100644
--- a/third_party/WebKit/Source/core/style/StylePath.cpp
+++ b/third_party/WebKit/Source/core/style/StylePath.cpp
@@ -7,6 +7,7 @@
 #include "core/css/CSSPathValue.h"
 #include "core/svg/SVGPathByteStream.h"
 #include "core/svg/SVGPathUtilities.h"
+#include "platform/graphics/Path.h"
 
 namespace blink {
 
@@ -14,7 +15,6 @@ StylePath::StylePath(PassRefPtr<SVGPathByteStream> pathByteStream)
     : m_byteStream(pathByteStream)
 {
     ASSERT(m_byteStream);
-    buildPathFromByteStream(*m_byteStream, m_path);
 }
 
 StylePath::~StylePath()
@@ -32,6 +32,15 @@ StylePath* StylePath::emptyPath()
     return emptyPath;
 }
 
+const Path& StylePath::path() const
+{
+    if (!m_path) {
+        m_path = adoptPtr(new Path);
+        buildPathFromByteStream(*m_byteStream, *m_path);
+    }
+    return *m_path;
+}
+
 const SVGPathByteStream& StylePath::byteStream() const
 {
     return *m_byteStream;