Web Animations: Add SVGNumberOptionalNumberInterpolationType

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

Index: third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.h
diff --git a/third_party/WebKit/Source/core/animation/SVGNumberInterpolationType.h b/third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.h
similarity index 67%
copy from third_party/WebKit/Source/core/animation/SVGNumberInterpolationType.h
copy to third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.h
index f0f432d5b857aa390b28a363b13f032a5953019f..fe75895e9d7e7eaa35533c1a6d9490313af9527f 100644
--- a/third_party/WebKit/Source/core/animation/SVGNumberInterpolationType.h
+++ b/third_party/WebKit/Source/core/animation/SVGNumberOptionalNumberInterpolationType.h
@@ -2,29 +2,26 @@
 // 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 SVGNumberOptionalNumberInterpolationType_h
+#define SVGNumberOptionalNumberInterpolationType_h
 
 #include "core/animation/NumberAttributeFunctions.h"
 #include "core/animation/SVGInterpolationType.h"
 
 namespace blink {
 
-class SVGNumberInterpolationType : public SVGInterpolationType {
+class SVGNumberOptionalNumberInterpolationType : public SVGInterpolationType {
 public:
-    SVGNumberInterpolationType(const QualifiedName& attribute)
+    SVGNumberOptionalNumberInterpolationType(const QualifiedName& attribute)
         : SVGInterpolationType(attribute)
-        , m_isNonNegative(NumberAttributeFunctions::isNonNegative(attribute))
     { }
 
 private:
     PassOwnPtr<InterpolationValue> maybeConvertNeutral(const UnderlyingValue&, ConversionCheckers&) const final;
     PassOwnPtr<InterpolationValue> maybeConvertSVGValue(const SVGPropertyBase& svgValue) const final;
     PassRefPtrWillBeRawPtr<SVGPropertyBase> appliedSVGValue(const InterpolableValue&, const NonInterpolableValue*) const final;
-
-    bool m_isNonNegative;
 };
 
 } // namespace blink
 
-#endif // SVGNumberInterpolationType_h
+#endif // SVGNumberOptionalNumberInterpolationType_h