auto merge of #1907 : brunoabinader/servo/element-classname, r=Ms2ger

Removes stub implementation from HTMLElement & implements logic in Element WebIDL.

src/components/script/dom/bindings/codegen/Bindings.conf

@@ -52,6 +52,7 @@ DOMInterfaces = {
 'Element': {
     'needsAbstract': [
         'attributes',
+        'className',
         'getBoundingClientRect',
         'getClientRects',
         'getElementsByClassName',

src/components/script/dom/element.rs

@@ -430,6 +430,16 @@ impl Element {
         self.set_string_attribute(abstract_self, "id", id);
     }
 
+    // http://dom.spec.whatwg.org/#dom-element-classname
+    pub fn ClassName(&self, _abstract_self: &JS<Element>) -> DOMString {
+        self.get_string_attribute("class")
+    }
+
+    // http://dom.spec.whatwg.org/#dom-element-classname
+    pub fn SetClassName(&mut self, abstract_self: &JS<Element>, class: DOMString) {
+        self.set_string_attribute(abstract_self, "class", class);
+    }
+
     // http://dom.spec.whatwg.org/#dom-element-attributes
     pub fn Attributes(&mut self, abstract_self: &JS<Element>) -> JS<AttrList> {
         match self.attr_list {

src/components/script/dom/htmlelement.rs

@@ -140,13 +140,6 @@ impl HTMLElement {
         Ok(())
     }
 
-    pub fn ClassName(&self) -> DOMString {
-        ~""
-    }
-
-    pub fn SetClassName(&self, _class: DOMString) {
-    }
-
     pub fn GetOffsetParent(&self) -> Option<JS<Element>> {
         None
     }

src/components/script/dom/webidls/Element.webidl

@@ -28,10 +28,8 @@ interface Element : Node {
 
   [Pure]
            attribute DOMString id;
-/*
-  FIXME Bug 810677 Move className from HTMLElement to Element
+  [Pure]
            attribute DOMString className;
-*/
   /*[Constant]
     readonly attribute DOMTokenList? classList;*/
 

src/components/script/dom/webidls/HTMLElement.webidl

@@ -43,10 +43,6 @@ interface HTMLElement : Element {
   readonly attribute boolean isContentEditable;
   [SetterThrows, Pure]
            attribute boolean spellcheck;
-
-  // Mozilla specific stuff
-  // FIXME Bug 810677 Move className from HTMLElement to Element
-           attribute DOMString className;
 };
 
 // http://dev.w3.org/csswg/cssom-view/#extensions-to-the-htmlelement-interface