Remove remaining HTML elements

sky/engine/core/css/CSSStyleSheet.cpp

Index: sky/engine/core/css/CSSStyleSheet.cpp
diff --git a/sky/engine/core/css/CSSStyleSheet.cpp b/sky/engine/core/css/CSSStyleSheet.cpp
index 7e0c66205947292c627a5d89996c97102cab58ca..12b337059fdab58dfbd8cce4cb8187815e8e6b16 100644
--- a/sky/engine/core/css/CSSStyleSheet.cpp
+++ b/sky/engine/core/css/CSSStyleSheet.cpp
@@ -24,7 +24,6 @@
 #include "sky/engine/core/css/StyleSheetContents.h"
 #include "sky/engine/core/dom/Document.h"
 #include "sky/engine/core/dom/Node.h"
-#include "sky/engine/core/html/HTMLStyleElement.h"
 
 namespace blink {
 
@@ -37,8 +36,7 @@ static bool isAcceptableCSSStyleSheetParent(Node* parentNode)
     // document", but only in the non-oilpan version of blink. I.e. don't call
     // clearOwnerNode() in the owner's destructor in oilpan.
     return !parentNode
-        || parentNode->isDocumentNode()
-        || isHTMLStyleElement(*parentNode);
+        || parentNode->isDocumentNode();
 }
 #endif