Fix compile error introduced by r11122.

src/d8.cc

 // Copyright 2012 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 1418 matching lines @@
         InstallUtilityScript();
       }
 #endif  // !V8_SHARED && ENABLE_DEBUGGER_SUPPORT
     }
     {
       Context::Scope cscope(context);
       options.isolate_sources[0].Execute();
     }
     if (!options.last_run) {
       context.Dispose();
+#if !defined(V8_SHARED)
       if (i::FLAG_send_idle_notification) {
         const int kLongIdlePauseInMs = 1000;
         V8::ContextDisposedNotification();
         V8::IdleNotification(kLongIdlePauseInMs);
       }
+#endif  // !V8_SHARED
     }
 
 #ifndef V8_SHARED
     // Start preemption if threads have been created and preemption is enabled.
     if (threads.length() > 0
         && options.use_preemption) {
       Locker::StartPreemption(options.preemption_interval);
     }
 #endif  // V8_SHARED
   }
@@ skipping 83 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif