Mostly merge HTMLElement into Element.

sky/engine/core/dom/Element.idl

Index: sky/engine/core/dom/Element.idl
diff --git a/sky/engine/core/dom/Element.idl b/sky/engine/core/dom/Element.idl
index 4c82f5bb5dcc00b93eed265466ab5583594d9fda..0763af2a2e8dba4c920f7dcac189de16bf35a8ea 100644
--- a/sky/engine/core/dom/Element.idl
+++ b/sky/engine/core/dom/Element.idl
@@ -68,6 +68,22 @@
     // CSSOM View Module API
     ClientRectList getClientRects();
     ClientRect getBoundingClientRect();
+
+    [Reflect] attribute DOMString title;
+    [Reflect] attribute DOMString lang;
+    attribute DOMString dir;
+
+    [CustomElementCallbacks] attribute long tabIndex;
+    [Reflect] attribute DOMString accessKey;
+
+    [RuntimeEnabled=IMEAPI] readonly attribute InputMethodContext inputMethodContext;
+
+    [CustomElementCallbacks, RaisesException=Setter] attribute DOMString contentEditable;
+    readonly attribute boolean isContentEditable;
+
+    attribute boolean spellcheck;
+
+    void click();
 };
 
 Element implements ParentNode;