Add ComputedStyle constructor and getter to InterpolationEnvironment

third_party/WebKit/Source/core/animation/CSSPathInterpolationType.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/CSSPathInterpolationType.h"
 
 #include "core/animation/PathInterpolationFunctions.h"
 #include "core/css/CSSPathValue.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
 void CSSPathInterpolationType::apply(const InterpolableValue& interpolableValue, const NonInterpolableValue* nonInterpolableValue, InterpolationEnvironment& environment) const
 {
     ASSERT(cssProperty() == CSSPropertyD);
     std::unique_ptr<SVGPathByteStream> pathByteStream = PathInterpolationFunctions::appliedValue(interpolableValue, nonInterpolableValue);
     if (pathByteStream->isEmpty()) {
-        environment.state().style()->setD(nullptr);
+        environment.style().setD(nullptr);
         return;
     }
-    environment.state().style()->setD(StylePath::create(std::move(pathByteStream)));
+    environment.style().setD(StylePath::create(std::move(pathByteStream)));
 }
 
 void CSSPathInterpolationType::composite(UnderlyingValueOwner& underlyingValueOwner, double underlyingFraction, const InterpolationValue& value, double interpolationFraction) const
 {
     PathInterpolationFunctions::composite(underlyingValueOwner, underlyingFraction, *this, value);
 }
 
 InterpolationValue CSSPathInterpolationType::maybeConvertNeutral(const InterpolationValue& underlying, ConversionCheckers& conversionCheckers) const
 {
     return PathInterpolationFunctions::maybeConvertNeutral(underlying, conversionCheckers);
@@ skipping 39 matching lines @@
     if (!value.isPathValue()) {
         ASSERT(toCSSPrimitiveValue(value).getValueID() == CSSValueNone);
         return nullptr;
     }
     return PathInterpolationFunctions::convertValue(toCSSPathValue(value).byteStream());
 }
 
 InterpolationValue CSSPathInterpolationType::maybeConvertUnderlyingValue(const InterpolationEnvironment& environment) const
 {
     ASSERT(cssProperty() == CSSPropertyD);
-    return PathInterpolationFunctions::convertValue(environment.state().style()->svgStyle().d());
+    return PathInterpolationFunctions::convertValue(environment.style().svgStyle().d());
 }
 
 PairwiseInterpolationValue CSSPathInterpolationType::maybeMergeSingles(InterpolationValue&& start, InterpolationValue&& end) const
 {
     return PathInterpolationFunctions::maybeMergeSingles(std::move(start), std::move(end));
 }
 
 } // namespace blink