Drop declarations without matching definitions from SVGPathUtilities.h

Source/core/svg/SVGPathUtilities.h

Index: Source/core/svg/SVGPathUtilities.h
diff --git a/Source/core/svg/SVGPathUtilities.h b/Source/core/svg/SVGPathUtilities.h
index 8630bd75fdbe93ae32163ff90784a25d6f7412a5..b91bc14866976cfe7537eac4a30f45c86ec84962 100644
--- a/Source/core/svg/SVGPathUtilities.h
+++ b/Source/core/svg/SVGPathUtilities.h
@@ -22,28 +22,22 @@
 
 #include "core/svg/SVGPathConsumer.h"
 #include "platform/geometry/FloatPoint.h"
-#include "platform/heap/Handle.h"
-#include "wtf/OwnPtr.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class Path;
 class SVGPathByteStream;
-class SVGPathSeg;
-class SVGPathSegList;
 
 // String/SVGPathByteStream -> Path
 bool buildPathFromString(const String&, Path&);
 bool buildPathFromByteStream(const SVGPathByteStream&, Path&);
 
-// SVGPathSegList/String -> SVGPathByteStream
-bool appendSVGPathByteStreamFromSVGPathSeg(PassRefPtrWillBeRawPtr<SVGPathSeg>, SVGPathByteStream&, PathParsingMode);
+// String -> SVGPathByteStream
 bool buildSVGPathByteStreamFromString(const String&, SVGPathByteStream&, PathParsingMode);
 
-// SVGPathByteStream/SVGPathSegList -> String
+// SVGPathByteStream -> String
 bool buildStringFromByteStream(const SVGPathByteStream&, String&, PathParsingMode);
-bool buildStringFromSVGPathSegList(PassRefPtrWillBeRawPtr<SVGPathSegList>, String&, PathParsingMode);
 
 bool addToSVGPathByteStream(SVGPathByteStream&, const SVGPathByteStream&, unsigned repeatCount = 1);