[WIP] Web Animations: Migrate SVG number list interpolation to interpolation types

third_party/WebKit/Source/core/animation/SVGNumberListInterpolationType.h

Index: third_party/WebKit/Source/core/animation/SVGNumberListInterpolationType.h
diff --git a/third_party/WebKit/Source/core/animation/SVGNumberInterpolationType.h b/third_party/WebKit/Source/core/animation/SVGNumberListInterpolationType.h
similarity index 58%
copy from third_party/WebKit/Source/core/animation/SVGNumberInterpolationType.h
copy to third_party/WebKit/Source/core/animation/SVGNumberListInterpolationType.h
index 05aa0b8e111411b4451b52bc507a8b5ba30989ad..f26add69b9b754f32e87f5f0a68dd7b02b8596e3 100644
--- a/third_party/WebKit/Source/core/animation/SVGNumberInterpolationType.h
+++ b/third_party/WebKit/Source/core/animation/SVGNumberListInterpolationType.h
@@ -2,19 +2,21 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef SVGNumberInterpolationType_h
-#define SVGNumberInterpolationType_h
+#ifndef SVGNumberListInterpolationType_h
+#define SVGNumberListInterpolationType_h
 
-#include "core/animation/NumberAttributeFunctions.h"
+#include "core/SVGNames.h"
 #include "core/animation/SVGInterpolationType.h"
 
 namespace blink {
 
-class SVGNumberInterpolationType : public SVGInterpolationType {
+// TODO(alancutter): tspan's rotate attribute is marked as non-additive
+// in the SVG specs
+
+class SVGNumberListInterpolationType : public SVGInterpolationType {
 public:
-    SVGNumberInterpolationType(const QualifiedName& attribute)
+    SVGNumberListInterpolationType(const QualifiedName& attribute)
         : SVGInterpolationType(attribute)
-        , m_isNonNegative(NumberAttributeFunctions::isNonNegative(attribute))
     { }
 
 private:
@@ -23,9 +25,9 @@ private:
     PassOwnPtr<InterpolationValue> maybeConvertUnderlyingValue(const InterpolationEnvironment&) const final;
     RefPtrWillBeRawPtr<SVGPropertyBase> appliedSVGValue(const InterpolableValue&, const NonInterpolableValue*) const final;
 
-    bool m_isNonNegative;
+    PassOwnPtr<PairwisePrimitiveInterpolation> mergeSingleConversions(InterpolationValue& startValue, InterpolationValue& endValue) const final;
 };
 
 } // namespace blink
 
-#endif // SVGNumberInterpolationType_h
+#endif // SVGNumberListInterpolationType_h