Bug 178643: Remove uses of NS_INIT_ISUPPORTS, since it's no longer needed. r=timeless sr=jag

git-svn-id: svn://10.0.0.236/trunk@135991 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/content/base/src/nsDocument.cpp

@@ -164,7 +164,6 @@ struct nsRadioGroupStruct
 
 nsDOMStyleSheetList::nsDOMStyleSheetList(nsIDocument *aDocument)
 {
-  NS_INIT_ISUPPORTS();
   mLength = -1;
   // Not reference counted to avoid circular references.
   // The document will tell us when its going away.
@@ -328,7 +327,6 @@ NS_NewDOMImplementation(nsIDOMDOMImplementation** aInstancePtrResult)
 
 nsDOMImplementation::nsDOMImplementation(nsIURI* aBaseURI)
 {
-  NS_INIT_ISUPPORTS();
   mBaseURI = aBaseURI;
 }
 
@@ -507,7 +505,6 @@ nsDocument::nsDocument() : mSubDocuments(nsnull),
                            mCSSLoader(nsnull),
                            mXPathDocument(nsnull)
 {
-  NS_INIT_ISUPPORTS();
 
   mArena = nsnull;
   mDocumentURL = nsnull;