Replace FINAL and OVERRIDE with their C++11 counterparts in Source/modules

Source/modules/push_messaging/NavigatorPushManager.h

Index: Source/modules/push_messaging/NavigatorPushManager.h
diff --git a/Source/modules/push_messaging/NavigatorPushManager.h b/Source/modules/push_messaging/NavigatorPushManager.h
index 29f508f3964178758ca3f32ab993552ec3ffb740..ccf4c091fefdb0215fa61d11a23319e28fa87a23 100644
--- a/Source/modules/push_messaging/NavigatorPushManager.h
+++ b/Source/modules/push_messaging/NavigatorPushManager.h
@@ -13,7 +13,7 @@ namespace blink {
 class Navigator;
 class PushManager;
 
-class NavigatorPushManager FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorPushManager>, public WillBeHeapSupplement<Navigator> {
+class NavigatorPushManager final : public NoBaseWillBeGarbageCollectedFinalized<NavigatorPushManager>, public WillBeHeapSupplement<Navigator> {
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorPushManager);
 public:
     virtual ~NavigatorPushManager();