Bug 1276438 part 7. Get rid of nsIDOMHTMLDocument::GetBody. r=mystor

MozReview-Commit-ID: 5XyZc8hQndQ

dom/html/nsHTMLDocument.cpp

@@ -1076,27 +1076,6 @@ nsHTMLDocument::SetDomain(const nsAString& aDomain, ErrorResult& rv)
   rv = NodePrincipal()->SetDomain(newURI);
 }
 
-NS_IMETHODIMP
-nsHTMLDocument::GetBody(nsIDOMHTMLElement** aBody)
-{
-  *aBody = nullptr;
-
-  nsIContent *body = GetBody();
-
-  return body ? CallQueryInterface(body, aBody) : NS_OK;
-}
-
-NS_IMETHODIMP
-nsHTMLDocument::SetBody(nsIDOMHTMLElement* aBody)
-{
-  nsCOMPtr<nsIContent> newBody = do_QueryInterface(aBody);
-  MOZ_ASSERT(!newBody || newBody->IsHTMLElement(),
-             "How could we be an nsIContent but not actually HTML here?");
-  ErrorResult rv;
-  SetBody(static_cast<nsGenericHTMLElement*>(newBody.get()), rv);
-  return rv.StealNSResult();
-}
-
 NS_IMETHODIMP
 nsHTMLDocument::GetHead(nsISupports** aHead)
 {

dom/html/nsHTMLDocument.h

@@ -172,8 +172,6 @@ public:
                    JS::MutableHandle<JSObject*> aRetval,
                    mozilla::ErrorResult& rv);
   void GetSupportedNames(nsTArray<nsString>& aNames);
-  using nsIDocument::GetBody;
-  using nsIDocument::SetBody;
   mozilla::dom::HTMLSharedElement *GetHead() {
     return static_cast<mozilla::dom::HTMLSharedElement*>(GetHeadElement());
   }

dom/interfaces/html/nsIDOMHTMLDocument.idl

@@ -20,7 +20,6 @@ interface nsIDOMHTMLDocument : nsIDOMDocument
            attribute DOMString            cookie;
 
   readonly attribute nsISupports          head;
-           attribute nsIDOMHTMLElement    body;
 
   // If aContentType is not something supported by nsHTMLDocument and
   // the HTML content sink, trying to write to the document will