Use StylePath instead of (Path)StyleMotionPath

third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
  * in the documentation and/or other materials provided with the
  * distribution.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 957 matching lines @@
 
     return ScaleTransformOperation::create(sx, sy, sz, TransformOperation::Scale3D);
 }
 
 RespectImageOrientationEnum StyleBuilderConverter::convertImageOrientation(StyleResolverState& state, const CSSValue& value)
 {
     const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(value);
     return primitiveValue.getValueID() == CSSValueFromImage ? RespectImageOrientation : DoNotRespectImageOrientation;
 }
 
-PassRefPtr<StylePath> StyleBuilderConverter::convertPath(StyleResolverState&, CSSValue& value)
+PassRefPtr<StylePath> StyleBuilderConverter::convertPath(StyleResolverState&, const CSSValue& value)
 {
     return toCSSPathValue(value).cachedPath();
 }
 
+PassRefPtr<StylePath> StyleBuilderConverter::convertPathOrNone(StyleResolverState& state, const CSSValue& value)
+{
+    if (value.isPathValue())
+        return convertPath(state, value);
+    ASSERT(value.isPrimitiveValue() && toCSSPrimitiveValue(value).getValueID() == CSSValueNone);
+    return nullptr;
+}
+
 } // namespace blink