Move styleMap attribute from HTMLElement to Element

third_party/WebKit/Source/core/html/HTMLElement.idl

Index: third_party/WebKit/Source/core/html/HTMLElement.idl
diff --git a/third_party/WebKit/Source/core/html/HTMLElement.idl b/third_party/WebKit/Source/core/html/HTMLElement.idl
index 5cfb1783356c9b786065a2dc3a6ea34c1fbc8f1a..9c316ec8df80d81623b28f300ba9d1770d66f318 100644
--- a/third_party/WebKit/Source/core/html/HTMLElement.idl
+++ b/third_party/WebKit/Source/core/html/HTMLElement.idl
@@ -56,9 +56,6 @@ interface HTMLElement : Element {
     // CSS Object Model (CSSOM)
     // https://dev.w3.org/csswg/cssom/#the-elementcssinlinestyle-interface
     [SameObject, PerWorldBindings, PutForwards=cssText] readonly attribute CSSStyleDeclaration style;
-    // Typed OM
-    // https://drafts.css-houdini.org/css-typed-om/#inline-stylepropertymap-objects
-    [RuntimeEnabled=CSSTypedOM] readonly attribute StylePropertyMap styleMap;
 
     // Non-standard APIs
     [TreatNullAs=NullString, CEReactions, CustomElementCallbacks, RaisesException=Setter, MeasureAs=HTMLElementInnerText] attribute DOMString innerText;