Implement ComputedStylePropertyMap for Typed OM.

third_party/WebKit/Source/core/css/cssom/StylePropertyMap.cpp

 // 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.
 
 #include "core/css/cssom/StylePropertyMap.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/cssom/CSSSimpleLength.h"
 #include "core/css/cssom/StyleValue.h"
@@ skipping 25 matching lines @@
 
     // TODO(meade): Handle custom properties here.
     exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
     return StyleValueVector();
 }
 
 bool StylePropertyMap::has(const String& propertyName, ExceptionState& exceptionState)
 {
     CSSPropertyID propertyID = cssPropertyID(propertyName);
     if (propertyID != CSSPropertyInvalid)
-        return has(propertyID);
+        return !getAll(propertyID).isEmpty();
 
     // TODO(meade): Handle custom properties here.
     exceptionState.throwTypeError("Invalid propertyName: " + propertyName);
     return false;
 }
 
 void StylePropertyMap::set(const String& propertyName, StyleValueOrStyleValueSequenceOrString& item, ExceptionState& exceptionState)
 {
     CSSPropertyID propertyID = cssPropertyID(propertyName);
     if (propertyID != CSSPropertyInvalid) {
@@ skipping 40 matching lines @@
     for (CSSValue* value : *toCSSValueList(&cssValue)) {
         StyleValue* styleValue = StyleValueFactory::create(propertyID, *value);
         if (!styleValue)
             return StyleValueVector();
         styleValueVector.append(styleValue);
     }
     return styleValueVector;
 }
 
 } // namespace blink