Support interpolation of animatable shorthand properties containing var()

third_party/WebKit/Source/core/animation/PropertyInterpolationTypesMapping.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/animation/PropertyInterpolationTypesMapping.h"
 
 #include "core/HTMLNames.h"
 #include "core/animation/CSSBasicShapeInterpolationType.h"
 #include "core/animation/CSSBorderImageLengthBoxInterpolationType.h"
 #include "core/animation/CSSClipInterpolationType.h"
@@ skipping 30 matching lines @@
 #include "core/animation/SVGLengthInterpolationType.h"
 #include "core/animation/SVGLengthListInterpolationType.h"
 #include "core/animation/SVGNumberInterpolationType.h"
 #include "core/animation/SVGNumberListInterpolationType.h"
 #include "core/animation/SVGNumberOptionalNumberInterpolationType.h"
 #include "core/animation/SVGPathInterpolationType.h"
 #include "core/animation/SVGPointListInterpolationType.h"
 #include "core/animation/SVGRectInterpolationType.h"
 #include "core/animation/SVGTransformListInterpolationType.h"
 #include "core/animation/SVGValueInterpolationType.h"
+#include "core/css/CSSPropertyMetadata.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
 const InterpolationTypes& PropertyInterpolationTypesMapping::get(const PropertyHandle& property)
 {
     using ApplicableTypesMap = HashMap<PropertyHandle, std::unique_ptr<const InterpolationTypes>>;
     DEFINE_STATIC_LOCAL(ApplicableTypesMap, applicableTypesMap, ());
     auto entry = applicableTypesMap.find(property);
@@ skipping 311 matching lines @@
         }
 
         applicableTypes->append(wrapUnique(new SVGValueInterpolationType(attribute)));
     }
 
     auto addResult = applicableTypesMap.add(property, std::move(applicableTypes));
     return *addResult.storedValue->value.get();
 }
 
 } // namespace blink