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

third_party/WebKit/Source/core/css/cssom/InlineStylePropertyMap.h

 // 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.
 
 #ifndef InlineStylePropertyMap_h
 #define InlineStylePropertyMap_h
 
 #include "core/css/cssom/MutableStylePropertyMap.h"
 #include "core/dom/Element.h"
 
@@ skipping 14 matching lines @@
     void remove(CSSPropertyID, ExceptionState&) override;
 
     DEFINE_INLINE_VIRTUAL_TRACE()
     {
         visitor->trace(m_ownerElement);
         MutableStylePropertyMap::trace(visitor);
     }
 
 private:
     Member<Element> m_ownerElement;
+
+    IterationSource* startIteration(ScriptState*, ExceptionState&) override;
 };
 
 } // namespace blink
 
 #endif