virtual void unregisterURL(const KURL&) = 0;
// These are optional APIs
- virtual URLRegistrable* lookup(const String&) { ASSERT_NOT_REACHED(); return 0; }
+ virtual URLRegistrable* lookup(const String&) { ASSERT_NOT_REACHED(); return nullptr; }
virtual bool contains(const String&) { ASSERT_NOT_REACHED(); return false; }
};