Make CSSValuePair store const CSSValues

third_party/WebKit/Source/core/css/BasicShapeFunctions.cpp

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1. Redistributions of source code must retain the above
  *    copyright notice, this list of conditions and the following
  *    disclaimer.
@@ skipping 99 matching lines @@
         insetValue->setBottomRightRadius(CSSValuePair::create(inset->bottomRightRadius(), style));
         insetValue->setBottomLeftRadius(CSSValuePair::create(inset->bottomLeftRadius(), style));
 
         return insetValue;
     }
     default:
         return nullptr;
     }
 }
 
-static Length convertToLength(const StyleResolverState& state, CSSPrimitiveValue* value)
+static Length convertToLength(const StyleResolverState& state, const CSSPrimitiveValue* value)
 {
     if (!value)
         return Length(0, Fixed);
     return value->convertToLength(state.cssToLengthConversionData());
 }
 
-static LengthSize convertToLengthSize(const StyleResolverState& state, CSSValuePair* value)
+static LengthSize convertToLengthSize(const StyleResolverState& state, const CSSValuePair* value)
 {
     if (!value)
         return LengthSize(Length(0, Fixed), Length(0, Fixed));
 
     return LengthSize(convertToLength(state, &toCSSPrimitiveValue(value->first())), convertToLength(state, &toCSSPrimitiveValue(value->second())));
 }
 
 static BasicShapeCenterCoordinate convertToCenterCoordinate(const StyleResolverState& state, CSSValue* value)
 {
     BasicShapeCenterCoordinate::Direction direction;
@@ skipping 26 matching lines @@
         break;
     default:
         ASSERT_NOT_REACHED();
         direction = BasicShapeCenterCoordinate::TopLeft;
         break;
     }
 
     return BasicShapeCenterCoordinate(direction, offset);
 }
 
-static BasicShapeRadius cssValueToBasicShapeRadius(const StyleResolverState& state, CSSPrimitiveValue* radius)
+static BasicShapeRadius cssValueToBasicShapeRadius(const StyleResolverState& state, const CSSPrimitiveValue* radius)
 {
     if (!radius)
         return BasicShapeRadius(BasicShapeRadius::ClosestSide);
 
     if (radius->isValueID()) {
         switch (radius->getValueID()) {
         case CSSValueClosestSide:
             return BasicShapeRadius(BasicShapeRadius::ClosestSide);
         case CSSValueFarthestSide:
             return BasicShapeRadius(BasicShapeRadius::FarthestSide);
@@ skipping 62 matching lines @@
 }
 
 FloatPoint floatPointForCenterCoordinate(const BasicShapeCenterCoordinate& centerX, const BasicShapeCenterCoordinate& centerY, FloatSize boxSize)
 {
     float x = floatValueForLength(centerX.computedLength(), boxSize.width());
     float y = floatValueForLength(centerY.computedLength(), boxSize.height());
     return FloatPoint(x, y);
 }
 
 } // namespace blink