Revert of [bindings] Remove custom namedPropertyEnumerator from CSSStyleDeclaration

Source/core/css/CSSStyleDeclaration.cpp

Index: Source/core/css/CSSStyleDeclaration.cpp
diff --git a/Source/core/css/CSSStyleDeclaration.cpp b/Source/core/css/CSSStyleDeclaration.cpp
index 9f11edad0c45abcea4acde5f40a6f9be390084fa..712f2ddb0b4cfd7ca62dce3d5a76b7c2abed6402 100644
--- a/Source/core/css/CSSStyleDeclaration.cpp
+++ b/Source/core/css/CSSStyleDeclaration.cpp
@@ -125,25 +125,4 @@
     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);
-    }
 }
-
-}