SVG animateMotion paths that only cause offsets are no longer ignored

third_party/WebKit/Source/platform/graphics/Path.h

 /*
  * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
  *               2006 Rob Buis <buis@kde.org>
  * Copyright (C) 2007-2008 Torch Mobile, Inc.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
@@ skipping 64 matching lines @@
     Path& operator=(const Path&);
     Path& operator=(const SkPath&);
     bool operator==(const Path&) const;
 
     bool contains(const FloatPoint&, WindRule = RULE_NONZERO) const;
     bool strokeContains(const FloatPoint&, const StrokeData&) const;
     FloatRect boundingRect() const;
     FloatRect strokeBoundingRect(const StrokeData&) const;
 
     float length() const;
-    FloatPoint pointAtLength(float length, bool& ok) const;
-    bool pointAndNormalAtLength(float length, FloatPoint&, float&) const;
+    FloatPoint pointAtLength(float length) const;
+    void pointAndNormalAtLength(float length, FloatPoint&, float&) const;
 
     // Helper for computing a sequence of positions and normals (normal angles) on a path.
     // The best possible access pattern will be one where the |length| value is
     // strictly increasing.
     // For other access patterns, performance will vary depending on curvature
     // and number of segments, but should never be worse than that of the
     // state-less method on Path.
     class PLATFORM_EXPORT PositionCalculator {
         WTF_MAKE_NONCOPYABLE(PositionCalculator);
     public:
         explicit PositionCalculator(const Path&);
 
-        bool pointAndNormalAtLength(float length, FloatPoint&, float&);
+        void pointAndNormalAtLength(float length, FloatPoint&, float&);
 
     private:
         SkPath m_path;
         SkPathMeasure m_pathMeasure;
         SkScalar m_accumulatedLength;
     };
 
     void clear();
     bool isEmpty() const;
     // Specify whether this path is volatile. Temporary paths that are discarded or
@@ skipping 47 matching lines @@
     SkPath m_path;
 };
 
 #if ENABLE(ASSERT)
 PLATFORM_EXPORT bool ellipseIsRenderable(float startAngle, float endAngle);
 #endif
 
 } // namespace blink
 
 #endif