Add additive animation support for border-radius CSS properties

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

 // Copyright 2014 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/StringKeyframe.h"
 
 #include "core/StylePropertyShorthand.h"
 #include "core/animation/ConstantStyleInterpolation.h"
 #include "core/animation/DeferredLegacyStyleInterpolation.h"
 #include "core/animation/DoubleStyleInterpolation.h"
 #include "core/animation/FilterStyleInterpolation.h"
 #include "core/animation/ImageSliceStyleInterpolation.h"
 #include "core/animation/InvalidatableInterpolation.h"
 #include "core/animation/LegacyStyleInterpolation.h"
 #include "core/animation/LengthBoxStyleInterpolation.h"
-#include "core/animation/LengthPairStyleInterpolation.h"
 #include "core/animation/LengthStyleInterpolation.h"
 #include "core/animation/ListStyleInterpolation.h"
 #include "core/animation/PropertyInterpolationTypesMapping.h"
 #include "core/animation/css/CSSAnimations.h"
 #include "core/css/CSSPropertyMetadata.h"
 #include "core/css/resolver/StyleResolver.h"
 #include "core/style/ComputedStyle.h"
 #include "core/svg/SVGElement.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
@@ skipping 141 matching lines @@
         // FIXME: Handle keywords e.g. 'smaller', 'larger'.
         if (property == CSSPropertyFontSize)
             return createLegacyStyleInterpolation(property, end, element, baseStyle);
 
         // FIXME: Handle keywords e.g. 'baseline', 'sub'.
         if (property == CSSPropertyBaselineShift)
             return createLegacyStyleInterpolation(property, end, element, baseStyle);
 
         break;
 
-    case CSSPropertyBorderBottomLeftRadius:
-    case CSSPropertyBorderBottomRightRadius:
-    case CSSPropertyBorderTopLeftRadius:
-    case CSSPropertyBorderTopRightRadius:
-        if (LengthPairStyleInterpolation::canCreateFrom(*fromCSSValue) && LengthPairStyleInterpolation::canCreateFrom(*toCSSValue))
-            return LengthPairStyleInterpolation::create(*fromCSSValue, *toCSSValue, property, RangeNonNegative);
-        break;
-
     case CSSPropertyTransformOrigin: {
         RefPtr<Interpolation> interpolation = ListStyleInterpolation<LengthStyleInterpolation>::maybeCreateFromList(*fromCSSValue, *toCSSValue, property, range);
         if (interpolation)
             return interpolation.release();
 
         // FIXME: Handle keywords: top, right, left, center, bottom
         return createLegacyStyleInterpolation(property, end, element, baseStyle);
     }
 
     case CSSPropertyClip: {
@@ skipping 91 matching lines @@
 }
 
 PassRefPtr<Interpolation> SVGPropertySpecificKeyframe::maybeCreateInterpolation(PropertyHandle propertyHandle, Keyframe::PropertySpecificKeyframe& end, Element*, const ComputedStyle*) const
 {
     const InterpolationTypes* applicableTypes = PropertyInterpolationTypesMapping::get(propertyHandle);
     ASSERT(applicableTypes);
     return InvalidatableInterpolation::create(propertyHandle, *applicableTypes, const_cast<SVGPropertySpecificKeyframe*>(this), &end);
 }
 
 } // namespace blink