Revert of [bindings] Remove custom namedPropertyEnumerator from CSSStyleDeclaration

Source/bindings/core/v8/custom/V8CSSStyleDeclarationCustom.cpp

 /*
  * Copyright (C) 2007-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 133 matching lines @@
     CSSPropertyIDMap::iterator iter = map.find(propertyName);
     if (iter != map.end())
         return iter->value;
 
     CSSPropertyID unresolvedProperty = parseCSSPropertyID(isolate, propertyName);
     map.add(propertyName, unresolvedProperty);
     ASSERT(!unresolvedProperty || CSSPropertyMetadata::isEnabledProperty(unresolvedProperty));
     return unresolvedProperty;
 }
 
+void V8CSSStyleDeclaration::namedPropertyEnumeratorCustom(const v8::PropertyCallbackInfo<v8::Array>& info)
+{
+    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();
+    }
+
+    v8::Local<v8::Array> properties = v8::Array::New(info.GetIsolate(), propertyNamesLength);
+    for (unsigned i = 0; i < propertyNamesLength; ++i) {
+        String key = propertyNames.at(i);
+        ASSERT(!key.isNull());
+        properties->Set(v8::Integer::New(info.GetIsolate(), i), v8String(info.GetIsolate(), key));
+    }
+
+    v8SetReturnValue(info, properties);
+}
+
 void V8CSSStyleDeclaration::namedPropertyQueryCustom(v8::Local<v8::Name> v8Name, const v8::PropertyCallbackInfo<v8::Integer>& info)
 {
     if (!v8Name->IsString())
         return;
     // NOTE: cssPropertyInfo lookups incur several mallocs.
     // Successful lookups have the same cost the first time, but are cached.
     if (cssPropertyInfo(v8Name.As<v8::String>(), info.GetIsolate())) {
         v8SetReturnValueInt(info, 0);
         return;
     }
@@ skipping 14 matching lines @@
     if (cssValue) {
         v8SetReturnValueStringOrNull(info, cssValue->cssText(), info.GetIsolate());
         return;
     }
 
     String result = impl->getPropertyValueInternal(resolvedProperty);
     v8SetReturnValueString(info, result, info.GetIsolate());
 }
 
 } // namespace blink