Bug 829975: Mark classes in nsGIOService.cpp & .h as MOZ_FINAL to fix their Wdelete-non-virtual-dtor build warnings. r=ehsan

toolkit/system/gnome/nsGIOService.cpp

@@ -36,7 +36,7 @@ get_content_type_from_mime_type(const char *mimeType)
   return foundContentType;
 }
 
-class nsGIOMimeApp : public nsIGIOMimeApp
+class nsGIOMimeApp MOZ_FINAL : public nsIGIOMimeApp
 {
 public:
   NS_DECL_ISUPPORTS
@@ -101,7 +101,7 @@ nsGIOMimeApp::Launch(const nsACString& aUri)
   return NS_OK;
 }
 
-class GIOUTF8StringEnumerator : public nsIUTF8StringEnumerator
+class GIOUTF8StringEnumerator MOZ_FINAL : public nsIUTF8StringEnumerator
 {
 public:
   GIOUTF8StringEnumerator() : mIndex(0) { }

toolkit/system/gnome/nsGIOService.h

@@ -11,7 +11,7 @@
 #define NS_GIOSERVICE_CID \
 {0xe3a1f3c9, 0x3ae1, 0x4b40, {0xa5, 0xe0, 0x7b, 0x45, 0x7f, 0xc9, 0xa9, 0xad}}
 
-class nsGIOService : public nsIGIOService
+class nsGIOService MOZ_FINAL : public nsIGIOService
 {
 public:
   NS_DECL_ISUPPORTS