Extended error reporting for SVG path parsing

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

Index: third_party/WebKit/Source/core/svg/SVGPathStringSource.h
diff --git a/third_party/WebKit/Source/core/svg/SVGPathStringSource.h b/third_party/WebKit/Source/core/svg/SVGPathStringSource.h
index e8916de33dfa14219608076c7708ed475550c246..5b55fd4cf5a8c116f33410438fb4d43b0cebe271 100644
--- a/third_party/WebKit/Source/core/svg/SVGPathStringSource.h
+++ b/third_party/WebKit/Source/core/svg/SVGPathStringSource.h
@@ -22,6 +22,7 @@
 #define SVGPathStringSource_h
 
 #include "core/CoreExport.h"
+#include "core/svg/SVGParsingError.h"
 #include "core/svg/SVGPathSource.h"
 #include "wtf/text/WTFString.h"
 
@@ -31,6 +32,8 @@ class CORE_EXPORT SVGPathStringSource final : public SVGPathSource {
 public:
     explicit SVGPathStringSource(const String&);
 
+    SVGParsingError parseError() const { return m_error; }
+
 private:
     bool hasMoreData() const override;
     SVGPathSegType peekSegmentType() override;
@@ -39,10 +42,9 @@ private:
     void eatWhitespace();
     float parseNumberWithError();
     bool parseArcFlagWithError();
+    void setErrorMark(SVGParseStatus);
 
-    String m_string;
     bool m_is8BitSource;
-    bool m_seenError;
 
     union {
         const LChar* m_character8;
@@ -54,6 +56,8 @@ private:
     } m_end;
 
     SVGPathSegType m_previousCommand;
+    SVGParsingError m_error;
+    String m_string;
 };
 
 } // namespace blink