replace COMPILE_ASSERT with static_assert in core/dom/

Source/core/dom/ElementData.cpp

Index: Source/core/dom/ElementData.cpp
diff --git a/Source/core/dom/ElementData.cpp b/Source/core/dom/ElementData.cpp
index c7c8e6cc052d95f3524ad6369da62f81d69e9623..8f24cdb5b2c5af7011a45edd42ef5602a482c295 100644
--- a/Source/core/dom/ElementData.cpp
+++ b/Source/core/dom/ElementData.cpp
@@ -42,7 +42,7 @@ struct SameSizeAsElementData : public RefCountedWillBeGarbageCollectedFinalized<
     void* pointers[3];
 };
 
-COMPILE_ASSERT(sizeof(ElementData) == sizeof(SameSizeAsElementData), element_attribute_data_should_stay_small);
+static_assert(sizeof(ElementData) == sizeof(SameSizeAsElementData), "ElementData should stay small");
 
 static size_t sizeForShareableElementDataWithAttributeCount(unsigned count)
 {