do not use ObjectBase as a base class.

src/common/packet.h

@@ -74,7 +74,8 @@ class PacketPrinter;
  * The performance aspects of the Packet API are discussed in 
  * \ref packetperf
  */
-class Packet : public ObjectBase {
+class Packet 
+{
 public:
   void Ref (void) const;
   void Unref (void) const;

src/core/callback.h

@@ -71,7 +71,7 @@ struct CallbackTraits<T *>
   }
 };
 
-class CallbackImplBase : public ObjectBase 
+class CallbackImplBase
 {
 public:
   CallbackImplBase ()

src/core/ptr.cc

@@ -23,7 +23,6 @@
 #ifdef RUN_SELF_TESTS
 
 #include "test.h"
-#include "object-base.h"
 
 namespace ns3 {
 
@@ -46,7 +45,7 @@ private:
 };
 
 
-class Base : public ObjectBase
+class Base
 {
 public:
   Base ();

src/devices/wifi/wifi-phy.cc

@@ -78,7 +78,7 @@ WifiPhyListener::~WifiPhyListener ()
  *       Phy event class
  ****************************************************************/
 
-class RxEvent : public ObjectBase 
+class RxEvent
 {
 public:
   RxEvent (uint32_t size, WifiMode payloadMode, 

src/simulator/event-impl.h

@@ -25,7 +25,7 @@
 
 namespace ns3 {
 
-class EventImpl : public ObjectBase 
+class EventImpl
 {
 public:
   EventImpl ();

src/simulator/simulator.cc

@@ -595,7 +595,8 @@ static void cber5 (const int &, const int &, const int &, const int &, const int
 {}
   
 
-class SimulatorTests : public Test, public ObjectBase {
+class SimulatorTests : public Test
+{
 public:
   SimulatorTests ();
   // only here for testing of Ptr<>