| Index: Source/core/dom/shadow/ElementShadow.h | 
| diff --git a/Source/core/dom/shadow/ElementShadow.h b/Source/core/dom/shadow/ElementShadow.h | 
| index cd3c1afa0534fa86404ba05a78434214268ccb67..f23f3c3c53bf70e7cda1f847f24699f9acd0ce7a 100644 | 
| --- a/Source/core/dom/shadow/ElementShadow.h | 
| +++ b/Source/core/dom/shadow/ElementShadow.h | 
| @@ -27,6 +27,7 @@ | 
| #ifndef ElementShadow_h | 
| #define ElementShadow_h | 
|  | 
| +#include "core/CoreExport.h" | 
| #include "core/dom/shadow/InsertionPoint.h" | 
| #include "core/dom/shadow/SelectRuleFeatureSet.h" | 
| #include "core/dom/shadow/ShadowRoot.h" | 
| @@ -38,7 +39,7 @@ | 
|  | 
| namespace blink { | 
|  | 
| -class ElementShadow final : public NoBaseWillBeGarbageCollectedFinalized<ElementShadow> { | 
| +class CORE_EXPORT ElementShadow final : public NoBaseWillBeGarbageCollectedFinalized<ElementShadow> { | 
| WTF_MAKE_NONCOPYABLE(ElementShadow); | 
| WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(ElementShadow); | 
| public: | 
|  |