Merge the Sky Engine changes from the SkyDart branch

sky/engine/core/dom/Document.idl

Index: sky/engine/core/dom/Document.idl
diff --git a/sky/engine/core/dom/Document.idl b/sky/engine/core/dom/Document.idl
index 525e3164fbe9e3a708286e8d5c45f21f9b966410..a765e19e7ad0c206c4c0e65c7c463b7fac89c267 100644
--- a/sky/engine/core/dom/Document.idl
+++ b/sky/engine/core/dom/Document.idl
@@ -28,12 +28,12 @@ typedef (CanvasRenderingContext2D or WebGLRenderingContext) RenderingContext;
 ] interface Document : Node {
     readonly attribute Element documentElement;
 
-    [CustomElementCallbacks, PerWorldBindings, RaisesException] Element createElement(DOMString tagName);
+    [CustomElementCallbacks, RaisesException] Element createElement(DOMString tagName);
     DocumentFragment createDocumentFragment();
 
     [CustomElementCallbacks, RaisesException, TypeChecking=Interface] Node importNode(Node node, optional boolean deep = false);
 
-    [PerWorldBindings] Element getElementById(DOMString elementId);
+    Element getElementById(DOMString elementId);
 
     [RaisesException, CustomElementCallbacks, TypeChecking=Interface] Node adoptNode(Node node);
 
@@ -56,7 +56,6 @@ typedef (CanvasRenderingContext2D or WebGLRenderingContext) RenderingContext;
 
     Element            elementFromPoint([Default=Undefined] optional long x,
                                         [Default=Undefined] optional long y);
-    [MeasureAs=DocumentCaretRangeFromPoint]
     Range              caretRangeFromPoint([Default=Undefined] optional long x,
                                            [Default=Undefined] optional long y);
 
@@ -67,7 +66,8 @@ typedef (CanvasRenderingContext2D or WebGLRenderingContext) RenderingContext;
     readonly attribute Element activeElement;
     boolean hasFocus();
 
-    [CallWith=ScriptState, CustomElementCallbacks, RaisesException, MeasureAs=DocumentRegisterElement] CustomElementConstructor registerElement(DOMString name, optional Dictionary options);
+    // FIXME(Dictionary): options
+    // [CallWith=ScriptState, CustomElementCallbacks, RaisesException] CustomElementConstructor registerElement(DOMString name);
 
     // Page visibility API.
     readonly attribute DOMString visibilityState;