Bug 758992 - Make the classes which use the XPCOM nsISupports implementation macros final, to avoid the warning about deleting using a pointer to a base class with virtual functions and no virtual dtor (rdf parts); r=bsmedberg

--HG--
extra : rebase_source : f6017aa79ed6e43e1d5b3cd78854c25945726602

rdf/base/src/nsRDFXMLSerializer.cpp

@@ -17,6 +17,7 @@
 #include "nsTArray.h"
 #include "rdf.h"
 #include "rdfutil.h"
+#include "mozilla/Attributes.h"
 
 #include "rdfIDataSource.h"
 
@@ -1008,7 +1009,7 @@ nsRDFXMLSerializer::SerializeEpilogue(nsIOutputStream* aStream)
     return rdf_BlockingWrite(aStream, NS_LITERAL_CSTRING("</RDF:RDF>\n"));
 }
 
-class QNameCollector : public rdfITripleVisitor {
+class QNameCollector MOZ_FINAL : public rdfITripleVisitor {
 public:
     NS_DECL_ISUPPORTS
     NS_DECL_RDFITRIPLEVISITOR

rdf/base/src/rdfTriplesSerializer.cpp

@@ -19,8 +19,9 @@
 
 #include "nsIRDFResource.h"
 #include "nsIRDFLiteral.h"
+#include "mozilla/Attributes.h"
 
-class TriplesVisitor : public rdfITripleVisitor
+class TriplesVisitor MOZ_FINAL : public rdfITripleVisitor
 {
 public:
     TriplesVisitor(nsIOutputStream* aOut) : mOut(aOut) {}
@@ -96,7 +97,7 @@ TriplesVisitor::Visit(nsIRDFNode *aSubject, nsIRDFResource *aPredicate,
     return mOut->Write(".\n", 2, &wroteCount);
 }
 
-class rdfTriplesSerializer : public rdfISerializer
+class rdfTriplesSerializer MOZ_FINAL : public rdfISerializer
 {
 public:
   NS_DECL_ISUPPORTS

rdf/datasource/src/nsFileSystemDataSource.h

@@ -14,12 +14,13 @@
 #include "nsCOMPtr.h"
 #include "nsString.h"
 #include "nsCycleCollectionParticipant.h"
+#include "mozilla/Attributes.h"
 
 #if defined(XP_UNIX) || defined(XP_OS2) || defined(XP_WIN)
 #define USE_NC_EXTENSION
 #endif
 
-class FileSystemDataSource : public nsIRDFDataSource
+class FileSystemDataSource MOZ_FINAL : public nsIRDFDataSource
 {
 public:
     NS_DECL_CYCLE_COLLECTING_ISUPPORTS