Introduce SVGPathQuery to hold SVG path query methods

third_party/WebKit/Source/core/svg/SVGPathQuery.h

Index: third_party/WebKit/Source/core/svg/SVGPathQuery.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPathByteStreamBuilder.h b/third_party/WebKit/Source/core/svg/SVGPathQuery.h
similarity index 67%
copy from third_party/WebKit/Source/core/svg/SVGPathByteStreamBuilder.h
copy to third_party/WebKit/Source/core/svg/SVGPathQuery.h
index 94cb937366856877711549988918200f68b19bb1..93295f16780409147830d3e9e7c39b0b141f7885 100644
--- a/third_party/WebKit/Source/core/svg/SVGPathByteStreamBuilder.h
+++ b/third_party/WebKit/Source/core/svg/SVGPathQuery.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (C) 2007 Eric Seidel <eric@webkit.org>
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ -17,28 +18,26 @@
  * Boston, MA 02110-1301, USA.
  */
 
-#ifndef SVGPathByteStreamBuilder_h
-#define SVGPathByteStreamBuilder_h
-
-#include "core/svg/SVGPathConsumer.h"
+#ifndef SVGPathQuery_h
+#define SVGPathQuery_h
 
 namespace blink {
 
+class FloatPoint;
 class SVGPathByteStream;
 
-class SVGPathByteStreamBuilder final : public SVGPathConsumer {
+class SVGPathQuery {
 public:
-    SVGPathByteStreamBuilder(SVGPathByteStream&);
-
-private:
-    void incrementPathSegmentCount() override { }
-    bool continueConsuming() override { return true; }
+    explicit SVGPathQuery(const SVGPathByteStream&);
 
-    void emitSegment(const PathSegmentData&) override;
+    float getTotalLength() const;
+    FloatPoint getPointAtLength(float length) const;
+    unsigned getPathSegIndexAtLength(float length) const;
 
-    SVGPathByteStream& m_byteStream;
+private:
+    const SVGPathByteStream& m_pathByteStream;
 };
 
 } // namespace blink
 
-#endif // SVGPathByteStreamBuilder_h
+#endif // SVGPathQuery_h