Add ScopeInfo constants to post-mortem metadata

tools/gen-postmortem-metadata.py

Index: tools/gen-postmortem-metadata.py
diff --git a/tools/gen-postmortem-metadata.py b/tools/gen-postmortem-metadata.py
index 9a4c9f503f656d4d15ec2379b5121241e9953aa8..6297be4e6412af17aa2db0c82d63913a25fcef8c 100644
--- a/tools/gen-postmortem-metadata.py
+++ b/tools/gen-postmortem-metadata.py
@@ -132,6 +132,15 @@ consts_misc = [
         'value': 'JavaScriptFrameConstants::kFunctionOffset' },
     { 'name': 'off_fp_args',
         'value': 'JavaScriptFrameConstants::kLastParameterOffset' },
+
+    { 'name': 'scopeinfo_idx_nparams',
+        'value': 'ScopeInfo::kParameterCount' },
+    { 'name': 'scopeinfo_idx_nstacklocals',
+        'value': 'ScopeInfo::kStackLocalCount' },
+    { 'name': 'scopeinfo_idx_ncontextlocals',
+        'value': 'ScopeInfo::kContextLocalCount' },
+    { 'name': 'scopeinfo_idx_first_vars',
+        'value': 'ScopeInfo::kVariablePartIndex' },
 ];
 
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