Revert of [bindings] Remove custom namedPropertyEnumerator from CSSStyleDeclaration

Source/core/css/CSSStyleDeclaration.cpp

 // Copyright (c) 2015 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 "config.h"
 #include "core/css/CSSStyleDeclaration.h"
 
 #include "bindings/core/v8/V8Binding.h"
 #include "core/css/CSSPropertyMetadata.h"
 #include "core/css/parser/CSSParser.h"
@@ skipping 107 matching lines @@
     CSSPropertyID unresolvedProperty = cssPropertyInfo(name, scriptState->isolate());
     if (!unresolvedProperty)
         return false;
 
     setPropertyInternal(unresolvedProperty, propertyValue, false, exceptionState);
     if (exceptionState.throwIfNeeded())
         return false;
     return true;
 }
 
-void CSSStyleDeclaration::namedPropertyEnumerator(Vector<String>& names, ExceptionState&)
-{
-    typedef Vector<String, numCSSProperties - 1> PreAllocatedPropertyVector;
-    DEFINE_STATIC_LOCAL(PreAllocatedPropertyVector, propertyNames, ());
-    static unsigned propertyNamesLength = 0;
-    if (propertyNames.isEmpty()) {
-        for (int id = firstCSSProperty; id <= lastCSSProperty; ++id) {
-            CSSPropertyID propertyId = static_cast<CSSPropertyID>(id);
-            if (CSSPropertyMetadata::isEnabledProperty(propertyId))
-                propertyNames.append(getJSPropertyName(propertyId));
-        }
-        std::sort(propertyNames.begin(), propertyNames.end(), codePointCompareLessThan);
-        propertyNamesLength = propertyNames.size();
-    }
-    for (unsigned i = 0; i < propertyNamesLength; ++i) {
-        String key = propertyNames.at(i);
-        ASSERT(!key.isNull());
-        names.append(key);
-    }
 }
-
-}