Remove the unlocker from the JS thread in ProfMultipleThreads to...

test/cctest/test-log.cc

 // Copyright 2006-2009 the V8 project authors. All rights reserved.
 //
 // Tests of logging functions from log.h
 
 #ifdef ENABLE_LOGGING_AND_PROFILING
 
 #ifdef __linux__
 #include <math.h>
 #include <pthread.h>
 #include <signal.h>
@@ skipping 386 matching lines @@
       v8::HandleScope scope;
       v8::Persistent<v8::Context> context = v8::Context::New();
       CHECK(!context.IsEmpty());
       {
         v8::Context::Scope context_scope(context);
         SignalRunning();
         CompileAndRunScript(
             "var j; for (var i=0; i<10000; ++i) { j = Math.sin(i); }");
       }
       context.Dispose();
-      {
-        v8::Unlocker unlocker;
-        i::OS::Sleep(1);
-      }
+      i::OS::Sleep(1);
     }
   }
 };
 
 
 class LoopingNonJsThread : public LoopingThread {
  public:
   void RunLoop() {
     v8::Locker locker;
     v8::Unlocker unlocker;
@@ skipping 776 matching lines @@
   // Make sure that all log data is written prior crash due to CHECK failure.
   fflush(stdout);
   CHECK(results_equal);
 
   env->Exit();
   Logger::TearDown();
   i::FLAG_always_compact = saved_always_compact;
 }
 
 #endif  // ENABLE_LOGGING_AND_PROFILING