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 (xre parts); r=jrmuizel

extensions/pref/autoconfig/src/nsJSConfigTriggers.cpp

@@ -18,13 +18,14 @@
 #include "nsIPrefService.h"
 #include "nsIJSContextStack.h"
 #include "nspr.h"
+#include "mozilla/Attributes.h"
 
 extern PRLogModuleInfo *MCD;
 
 // Security Manager for new XPCONNECT enabled JS Context
 // Right now it allows all access
 
-class AutoConfigSecMan : public nsIXPCSecurityManager
+class AutoConfigSecMan MOZ_FINAL : public nsIXPCSecurityManager
 {
 public:
     NS_DECL_ISUPPORTS

toolkit/xre/nsAppRunner.cpp

@@ -24,6 +24,7 @@
 #include "mozilla/dom/ContentChild.h"
 
 #include "mozilla/Util.h"
+#include "mozilla/Attributes.h"
 
 #include "nsAppRunner.h"
 #include "mozilla/AppData.h"
@@ -1180,7 +1181,7 @@ ScopedXPCOMStartup::Initialize()
  * This is a little factory class that serves as a singleton-service-factory
  * for the nativeappsupport object.
  */
-class nsSingletonFactory : public nsIFactory
+class nsSingletonFactory MOZ_FINAL : public nsIFactory
 {
 public:
   NS_DECL_ISUPPORTS

toolkit/xre/nsUpdateDriver.h

@@ -13,6 +13,7 @@
 #include "nsIThread.h"
 #include "nsCOMPtr.h"
 #include "nsString.h"
+#include "mozilla/Attributes.h"
 #endif
 
 class nsIFile;
@@ -59,7 +60,7 @@ NS_HIDDEN_(nsresult) ProcessUpdates(nsIFile *greDir, nsIFile *appDir,
 // updater application in the background for applying an update.
 // XXX ehsan this is living in this file in order to make use of the existing
 // stuff here, we might want to move it elsewhere in the future.
-class nsUpdateProcessor : public nsIUpdateProcessor
+class nsUpdateProcessor MOZ_FINAL : public nsIUpdateProcessor
 {
 public:
   nsUpdateProcessor();

toolkit/xre/nsXREDirProvider.cpp

@@ -792,7 +792,7 @@ nsXREDirProvider::DoStartup()
   return NS_OK;
 }
 
-class ProfileChangeStatusImpl : public nsIProfileChangeStatus
+class ProfileChangeStatusImpl MOZ_FINAL : public nsIProfileChangeStatus
 {
 public:
   NS_DECL_ISUPPORTS

toolkit/xre/nsXREDirProvider.h

@@ -12,9 +12,10 @@
 
 #include "nsCOMPtr.h"
 #include "nsCOMArray.h"
+#include "mozilla/Attributes.h"
 
-class nsXREDirProvider : public nsIDirectoryServiceProvider2,
-                         public nsIProfileStartup
+class nsXREDirProvider MOZ_FINAL : public nsIDirectoryServiceProvider2,
+                                   public nsIProfileStartup
 {
 public:
   // we use a custom isupports implementation (no refcount)