| Index: src/mirror-debugger.js
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| diff --git a/src/mirror-debugger.js b/src/mirror-debugger.js
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| index f71483a664e6a5ec438ffc9fbe4b5566ce9c4348..94e616a7f53028e415bb3291ea2d13f77eca8092 100644
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| --- a/src/mirror-debugger.js
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| +++ b/src/mirror-debugger.js
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| @@ -176,10 +176,8 @@ PropertyType.ConstantFunction        = 2;
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|  PropertyType.Callbacks               = 3;
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|  PropertyType.Handler                 = 4;
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|  PropertyType.Interceptor             = 5;
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| -PropertyType.MapTransition           = 6;
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| -PropertyType.ExternalArrayTransition = 7;
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| -PropertyType.ConstantTransition      = 8;
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| -PropertyType.NullDescriptor          = 9;
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| +PropertyType.Transition              = 6;
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| +PropertyType.Nonexistent             = 7;
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|  
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|  
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|  // Different attributes for a property.
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| 
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