| Index: runtime/vm/os_win.cc
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| diff --git a/runtime/vm/os_win.cc b/runtime/vm/os_win.cc
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| index 1203c1e15da735a715667f060215d675e65b8fe9..75bd8f85b8c713603d8418b98319f7bd05fe43f9 100644
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| --- a/runtime/vm/os_win.cc
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| +++ b/runtime/vm/os_win.cc
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| @@ -233,6 +233,13 @@ bool OS::StringToInt64(const char* str, int64_t* value) {
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|  }
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|  
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|  
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| +void OS::RegisterCodeObservers() {
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| +#if defined(DART_VTUNE_SUPPORT)
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| +  Register(new VTuneCodeObserver);
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| +#endif
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| +}
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| +
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| +
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|  void OS::PrintErr(const char* format, ...) {
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|    va_list args;
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|    va_start(args, format);
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| 
 |