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 (remaining XPCOM parts); r=bsmedberg

--HG--
extra : rebase_source : 578d3ab1fefa2f2268069790a6a75db4580991b2

xpcom/components/nsCategoryManager.h

@@ -12,6 +12,7 @@
 #include "nsClassHashtable.h"
 #include "nsICategoryManager.h"
 #include "mozilla/Mutex.h"
+#include "mozilla/Attributes.h"
 
 #define NS_CATEGORYMANAGER_CLASSNAME     "Category Manager"
 
@@ -92,7 +93,7 @@ private:
  *
  * This implementation is thread-safe.
  */
-class nsCategoryManager
+class nsCategoryManager MOZ_FINAL
   : public nsICategoryManager
 {
 public:

xpcom/glue/nsThreadUtils.cpp

@@ -5,6 +5,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 #include "nsThreadUtils.h"
+#include "mozilla/Attributes.h"
 
 #ifdef MOZILLA_INTERNAL_API
 # include "nsThreadManager.h"
@@ -220,7 +221,7 @@ NS_ProcessNextEvent(nsIThread *thread, bool mayWait)
 
 namespace {
 
-class nsNameThreadRunnable : public nsIRunnable
+class nsNameThreadRunnable MOZ_FINAL : public nsIRunnable
 {
 public:
   nsNameThreadRunnable(const nsACString &name) : mName(name) { }

xpcom/threads/LazyIdleThread.h

@@ -19,6 +19,7 @@
 #include "nsCOMPtr.h"
 #include "nsTArray.h"
 #include "nsString.h"
+#include "mozilla/Attributes.h"
 
 #define IDLE_THREAD_TOPIC "thread-shutting-down"
 
@@ -31,7 +32,7 @@ namespace mozilla {
  * is created on the main thread then it will automatically join its thread on
  * XPCOM shutdown using the Observer Service.
  */
-class LazyIdleThread : public nsIThread,
+class LazyIdleThread MOZ_FINAL : public nsIThread,
                                  public nsITimerCallback,
                                  public nsIThreadObserver,
                                  public nsIObserver