bindings: Make some value iterator properties aliases to Array.prototype functions

third_party/WebKit/Source/core/css/cssom/CSSUnparsedValue.h

 // 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.
 
 #ifndef CSSUnparsedValue_h
 #define CSSUnparsedValue_h
 
-#include "bindings/core/v8/Iterable.h"
 #include "bindings/core/v8/StringOrCSSVariableReferenceValue.h"
 #include "core/css/CSSVariableReferenceValue.h"
 #include "core/css/cssom/CSSStyleValue.h"
 #include "wtf/Vector.h"
 
 namespace blink {
 
-class CORE_EXPORT CSSUnparsedValue final
-    : public CSSStyleValue,
-      public ValueIterable<StringOrCSSVariableReferenceValue> {
+class CORE_EXPORT CSSUnparsedValue final : public CSSStyleValue {
   WTF_MAKE_NONCOPYABLE(CSSUnparsedValue);
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   static CSSUnparsedValue* create(
       const HeapVector<StringOrCSSVariableReferenceValue>& fragments) {
     return new CSSUnparsedValue(fragments);
   }
 
   static CSSUnparsedValue* fromCSSValue(const CSSVariableReferenceValue&);
 
   CSSValue* toCSSValue() const override;
 
   StyleValueType type() const override { return UnparsedType; }
 
-  StringOrCSSVariableReferenceValue fragmentAtIndex(int index) const {
+  StringOrCSSVariableReferenceValue fragmentAtIndex(uint32_t index) const {
     return m_fragments.at(index);
   }
 
-  size_t size() const { return m_fragments.size(); }
+  size_t length() const { return m_fragments.size(); }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {
     visitor->trace(m_fragments);
     CSSStyleValue::trace(visitor);
   }
 
  protected:
   CSSUnparsedValue(
       const HeapVector<StringOrCSSVariableReferenceValue>& fragments)
       : CSSStyleValue(), m_fragments(fragments) {}
 
  private:
   static CSSUnparsedValue* fromString(String string) {
     HeapVector<StringOrCSSVariableReferenceValue> fragments;
     fragments.push_back(StringOrCSSVariableReferenceValue::fromString(string));
     return create(fragments);
   }
 
-  IterationSource* startIteration(ScriptState*, ExceptionState&) override;
-
   FRIEND_TEST_ALL_PREFIXES(CSSUnparsedValueTest, ListOfStrings);
   FRIEND_TEST_ALL_PREFIXES(CSSUnparsedValueTest,
                            ListOfCSSVariableReferenceValues);
   FRIEND_TEST_ALL_PREFIXES(CSSUnparsedValueTest, MixedList);
   FRIEND_TEST_ALL_PREFIXES(CSSVariableReferenceValueTest, MixedList);
 
   HeapVector<StringOrCSSVariableReferenceValue> m_fragments;
 };
 
 }  // namespace blink
 
 #endif  // CSSUnparsedValue_h