Split CSSPrimitiveValue into CSSPrimitiveValue and CSSIdentifierValue

third_party/WebKit/Source/core/animation/CSSTextIndentInterpolationType.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/CSSTextIndentInterpolationType.h"
 
 #include "core/animation/LengthInterpolationFunctions.h"
+#include "core/css/CSSIdentifierValue.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/style/ComputedStyle.h"
 #include "wtf/PtrUtil.h"
 #include <memory>
 
 namespace blink {
 
 namespace {
@@ skipping 115 matching lines @@
     return createValue(parentStyle.textIndent(), mode, parentStyle.effectiveZoom());
 }
 
 InterpolationValue CSSTextIndentInterpolationType::maybeConvertValue(const CSSValue& value, const StyleResolverState&, ConversionCheckers&) const
 {
     InterpolationValue length = nullptr;
     TextIndentLine line = ComputedStyle::initialTextIndentLine();
     TextIndentType type = ComputedStyle::initialTextIndentType();
 
     for (const auto& item : toCSSValueList(value)) {
-        const CSSPrimitiveValue& primitiveValue = toCSSPrimitiveValue(*item);
-        if (primitiveValue.getValueID() == CSSValueEachLine)
+        if (item->isIdentifierValue() && toCSSIdentifierValue(*item).getValueID() == CSSValueEachLine)
             line = TextIndentEachLine;
-        else if (primitiveValue.getValueID() == CSSValueHanging)
+        else if (item->isIdentifierValue() && toCSSIdentifierValue(*item).getValueID() == CSSValueHanging)
             type = TextIndentHanging;
         else
-            length = LengthInterpolationFunctions::maybeConvertCSSValue(primitiveValue);
+            length = LengthInterpolationFunctions::maybeConvertCSSValue(*item);
     }
     DCHECK(length);
 
     return InterpolationValue(
         std::move(length.interpolableValue),
         CSSTextIndentNonInterpolableValue::create(length.nonInterpolableValue.release(), IndentMode(line, type)));
 }
 
 InterpolationValue CSSTextIndentInterpolationType::maybeConvertUnderlyingValue(const InterpolationEnvironment& environment) const
 {
@@ skipping 44 matching lines @@
         cssTextIndentNonInterpolableValue.lengthNonInterpolableValue(),
         environment.state().cssToLengthConversionData(),
         ValueRangeAll));
 
     const IndentMode& mode = cssTextIndentNonInterpolableValue.mode();
     style.setTextIndentLine(mode.line);
     style.setTextIndentType(mode.type);
 }
 
 } // namespace blink