Fixed Linux build.

test/cctest/test-debug.cc

 // Copyright 2007-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 3646 matching lines @@
   CHECK_EQ(2, break_point_hit_count);
 
   // Remove the debug event listener without clearing breakpoints again.
   v8::Debug::SetDebugEventListener(NULL);
   CheckDebuggerUnloaded(true);
 }
 
 
 int host_dispatch_hit_count = 0;
 static void HostDispatchHandlerHitCount(void* dispatch, void *data) {
-  CHECK_EQ(dispatch, &HostDispatchHandlerHitCount);
-  CHECK_EQ(data, &HostDispatchHandlerHitCount);
   host_dispatch_hit_count++;
 }
 
 
 // Test that clearing the debug event listener actually clears all break points
 // and related information.
 TEST(DebuggerHostDispatch) {
   v8::HandleScope scope;
   DebugLocalContext env;
 
   const int kBufferSize = 1000;
   uint16_t buffer[kBufferSize];
   const char* command_continue =
     "{\"seq\":106,"
      "\"type\":\"request\","
      "\"command\":\"continue\"}";
 
   // Setup message and host dispatch handlers.
   v8::Debug::SetMessageHandler(DummyMessageHandler);
   v8::Debug::SetHostDispatchHandler(HostDispatchHandlerHitCount,
-                                    &HostDispatchHandlerHitCount);
+                                    NULL);
 
   // Fill a host dispatch and a continue command on the command queue before
   // generating a debug break.
-  v8::Debug::SendHostDispatch(&HostDispatchHandlerHitCount);
+  v8::Debug::SendHostDispatch(NULL);
   v8::Debug::SendCommand(buffer, AsciiToUtf16(command_continue, buffer));
   CompileRun("debugger");
 
   // The host dispatch callback should be called.
   CHECK_EQ(1, host_dispatch_hit_count);
-}
+}
+