Bug 1440741 - Remove all members from nsIDOMHTMLFormElement. r=qdot

MozReview-Commit-ID: 2UcUy4MkVsM

dom/html/HTMLFormElement.h

@@ -44,6 +44,8 @@ class HTMLFormElement final : public nsGenericHTMLElement,
   friend class HTMLFormControlsCollection;
 
 public:
+  NS_IMPL_FROMCONTENT_HTML_WITH_TAG(HTMLFormElement, form)
+
   explicit HTMLFormElement(already_AddRefed<mozilla::dom::NodeInfo>& aNodeInfo);
 
   enum {
@@ -325,31 +327,33 @@ public:
   }
 
   void GetAction(nsString& aValue);
-
   void SetAction(const nsAString& aValue, ErrorResult& aRv)
   {
     SetHTMLAttr(nsGkAtoms::action, aValue, aRv);
   }
 
-  // XPCOM GetAutocomplete() is OK
+  void GetAutocomplete(nsAString& aValue);
   void SetAutocomplete(const nsAString& aValue, ErrorResult& aRv)
   {
     SetHTMLAttr(nsGkAtoms::autocomplete, aValue, aRv);
   }
 
-  // XPCOM GetEnctype() is OK
+  void GetEnctype(nsAString& aValue);
   void SetEnctype(const nsAString& aValue, ErrorResult& aRv)
   {
     SetHTMLAttr(nsGkAtoms::enctype, aValue, aRv);
   }
 
-  // XPCOM GetEncoding() is OK
+  void GetEncoding(nsAString& aValue)
+  {
+    GetEnctype(aValue);
+  }
   void SetEncoding(const nsAString& aValue, ErrorResult& aRv)
   {
     SetEnctype(aValue, aRv);
   }
 
-  // XPCOM GetMethod() is OK
+  void GetMethod(nsAString& aValue);
   void SetMethod(const nsAString& aValue, ErrorResult& aRv)
   {
     SetHTMLAttr(nsGkAtoms::method, aValue, aRv);
@@ -392,8 +396,7 @@ public:
   int32_t Length();
 
   void Submit(ErrorResult& aRv);
-
-  // XPCOM Reset() is OK
+  void Reset();
 
   bool CheckValidity()
   {