Implement iterable<DOMString, (StyleValue or sequence<StyleValue>)> for InlineStylePropertyMap

third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.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/InlineStylePropertyMap.h"
 
+#include "bindings/core/v8/Iterable.h"
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSPrimitiveValue.h"
 #include "core/css/CSSPropertyMetadata.h"
 #include "core/css/CSSValueList.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/cssom/CSSOMTypes.h"
 #include "core/css/cssom/SimpleLength.h"
 #include "core/css/cssom/StyleValueFactory.h"
 
 namespace blink {
@@ skipping 103 matching lines @@
     }
 
     m_ownerElement->setInlineStyleProperty(propertyID, cssValueList);
 }
 
 void InlineStylePropertyMap::remove(CSSPropertyID propertyID, ExceptionState& exceptionState)
 {
     m_ownerElement->removeInlineStyleProperty(propertyID);
 }
 
+HeapVector<StylePropertyMap::StylePropertyMapEntry> InlineStylePropertyMap::getIterationEntries()
+{
+    HeapVector<StylePropertyMap::StylePropertyMapEntry> result;
+    StylePropertySet& inlineStyleSet = m_ownerElement->ensureMutableInlineStyle();
+    for (unsigned i = 0; i < inlineStyleSet.propertyCount(); i++) {
+        StylePropertySet::PropertyReference propertyReference = inlineStyleSet.propertyAt(i);
+        CSSPropertyID propertyID = propertyReference.id();
+        StyleValueVector styleValueVector = cssValueToStyleValueVector(propertyID, *propertyReference.value());
+        StyleValueOrStyleValueSequence value;
+        if (styleValueVector.size() == 1)
+            value.setStyleValue(styleValueVector[0]);
+        else
+            value.setStyleValueSequence(styleValueVector);
+        result.append(std::make_pair(getPropertyNameString(propertyID), value));
+    }
+    return result;
+}
+
 } // namespace blink