Add additive animation support for CSS properties perspective-origin and object-position

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

Index: third_party/WebKit/Source/core/animation/CSSPositionInterpolationType.h
diff --git a/third_party/WebKit/Source/core/animation/CSSPositionAxisListInterpolationType.h b/third_party/WebKit/Source/core/animation/CSSPositionInterpolationType.h
similarity index 61%
copy from third_party/WebKit/Source/core/animation/CSSPositionAxisListInterpolationType.h
copy to third_party/WebKit/Source/core/animation/CSSPositionInterpolationType.h
index b42b131781cbdde6dfb9fdc8b875a375afce658b..3f3f5bb71aafd47cd121d6af2def862c145cf4c8 100644
--- a/third_party/WebKit/Source/core/animation/CSSPositionAxisListInterpolationType.h
+++ b/third_party/WebKit/Source/core/animation/CSSPositionInterpolationType.h
@@ -2,16 +2,16 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef CSSPositionAxisListInterpolationType_h
-#define CSSPositionAxisListInterpolationType_h
+#ifndef CSSPositionInterpolationType_h
+#define CSSPositionInterpolationType_h
 
 #include "core/animation/CSSLengthListInterpolationType.h"
 
 namespace blink {
 
-class CSSPositionAxisListInterpolationType : public CSSLengthListInterpolationType {
+class CSSPositionInterpolationType : public CSSLengthListInterpolationType {
 public:
-    CSSPositionAxisListInterpolationType(CSSPropertyID property)
+    CSSPositionInterpolationType(CSSPropertyID property)
         : CSSLengthListInterpolationType(property)
     { }
 
@@ -21,4 +21,4 @@ private:
 
 } // namespace blink
 
-#endif // CSSPositionAxisListInterpolationType_h
+#endif // CSSPositionInterpolationType_h