Use v8::internal threading support in samples/shell.cc.

test/cctest/cctest.h

 // Copyright 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 70 matching lines @@
 //
 // A test is augmented with calls to ApiTestFuzzer::Fuzz() in its
 // callbacks.  This will have no effect when we are not running the
 // thread fuzzing test.  In the thread fuzzing test it will
 // pseudorandomly select a successor thread and switch execution
 // to that thread, suspending the current test.
 class ApiTestFuzzer: public v8::internal::Thread {
  public:
   void CallTest();
   explicit ApiTestFuzzer(v8::internal::Isolate* isolate, int num)
-      : Thread(isolate),
+      : Thread(isolate, "ApiTestFuzzer"),
         test_number_(num),
         gate_(v8::internal::OS::CreateSemaphore(0)),
         active_(true) {
   }
   ~ApiTestFuzzer() { delete gate_; }
 
   // The ApiTestFuzzer is also a Thread, so it has a Run method.
   virtual void Run();
 
   enum PartOfTest { FIRST_PART, SECOND_PART };
@@ skipping 101 matching lines @@
 }
 
 
 // Helper function that compiles and runs the source.
 static inline v8::Local<v8::Value> CompileRun(const char* source) {
   return v8::Script::Compile(v8::String::New(source))->Run();
 }
 
 
 #endif  // ifndef CCTEST_H_