Bug 1418076 part 2. Get rid of nsIDOMHTMLDocument's cookie attribute. r=mystor

MozReview-Commit-ID: JLW7dFPbY3m

dom/html/nsHTMLDocument.cpp

@@ -1178,14 +1178,6 @@ nsHTMLDocument::Scripts()
   return mScripts;
 }
 
-NS_IMETHODIMP
-nsHTMLDocument::GetCookie(nsAString& aCookie)
-{
-  ErrorResult rv;
-  GetCookie(aCookie, rv);
-  return rv.StealNSResult();
-}
-
 already_AddRefed<nsIChannel>
 nsHTMLDocument::CreateDummyChannelForCookies(nsIURI* aCodebaseURI)
 {
@@ -1267,14 +1259,6 @@ nsHTMLDocument::GetCookie(nsAString& aCookie, ErrorResult& rv)
   }
 }
 
-NS_IMETHODIMP
-nsHTMLDocument::SetCookie(const nsAString& aCookie)
-{
-  ErrorResult rv;
-  SetCookie(aCookie, rv);
-  return rv.StealNSResult();
-}
-
 void
 nsHTMLDocument::SetCookie(const nsAString& aCookie, ErrorResult& rv)
 {

dom/interfaces/html/nsIDOMHTMLDocument.idl

@@ -16,8 +16,6 @@ interface nsISelection;
 [uuid(cd31e61f-cfc2-4b91-9385-17b6a2d0633d)]
 interface nsIDOMHTMLDocument : nsIDOMDocument
 {
-           attribute DOMString            cookie;
-
   readonly attribute nsISupports          head;
 
   // If aContentType is not something supported by nsHTMLDocument and