Cleanup Semaphore class.

src/d8.h

 // 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 122 matching lines @@
   Type type_;
   const char* name_;
   static LineEditor* current_;
 };
 
 
 class SourceGroup {
  public:
   SourceGroup() :
 #ifndef V8_SHARED
-      next_semaphore_(v8::internal::OS::CreateSemaphore(0)),
-      done_semaphore_(v8::internal::OS::CreateSemaphore(0)),
+      next_semaphore_(0),
+      done_semaphore_(0),
       thread_(NULL),
 #endif  // V8_SHARED
       argv_(NULL),
       begin_offset_(0),
       end_offset_(0) {}
 
   ~SourceGroup();
 
   void Begin(char** argv, int offset) {
     argv_ = const_cast<const char**>(argv);
@@ skipping 18 matching lines @@
       group_->ExecuteInThread();
     }
 
    private:
     SourceGroup* group_;
   };
 
   static i::Thread::Options GetThreadOptions();
   void ExecuteInThread();
 
-  i::Semaphore* next_semaphore_;
-  i::Semaphore* done_semaphore_;
+  i::Semaphore next_semaphore_;
+  i::Semaphore done_semaphore_;
   i::Thread* thread_;
 #endif  // V8_SHARED
 
   void ExitShell(int exit_code);
   Handle<String> ReadFile(Isolate* isolate, const char* name);
 
   const char** argv_;
   int begin_offset_;
   int end_offset_;
 };
@@ skipping 225 matching lines @@
   static void ExternalArrayWeakCallback(Isolate* isolate,
                                         Persistent<Object>* object,
                                         uint8_t* data);
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_