[inspector] add scope type for modules.

src/inspector/debugger-script.js

Index: src/inspector/debugger-script.js
diff --git a/src/inspector/debugger-script.js b/src/inspector/debugger-script.js
index 766964df236ab15e9c65c2f1b4fccc2a2d264fee..fa3ff4ca5635eb1015db58a0e8201fbd127ac8b2 100644
--- a/src/inspector/debugger-script.js
+++ b/src/inspector/debugger-script.js
@@ -43,6 +43,7 @@ DebuggerScript._scopeTypeNames.set(ScopeType.Catch, "catch");
 DebuggerScript._scopeTypeNames.set(ScopeType.Block, "block");
 DebuggerScript._scopeTypeNames.set(ScopeType.Script, "script");
 DebuggerScript._scopeTypeNames.set(ScopeType.Eval, "eval");
+DebuggerScript._scopeTypeNames.set(ScopeType.Module, "module");
 
 /**
  * @param {function()} fun
@@ -560,6 +561,7 @@ DebuggerScript._buildScopeObject = function(scopeType, scopeObject)
     case ScopeType.Block:
     case ScopeType.Script:
     case ScopeType.Eval:
+    case ScopeType.Module:
         // For transient objects we create a "persistent" copy that contains
         // the same properties.
         // Reset scope object prototype to null so that the proto properties
@@ -569,7 +571,8 @@ DebuggerScript._buildScopeObject = function(scopeType, scopeObject)
         // Also drop empty Block, Eval and Script scopes, should we get any.

[jgruber, 2016/12/12 13:23:48]

Nit: Update comment.

         if (!properties.length && (scopeType === ScopeType.Script ||
                                    scopeType === ScopeType.Block ||
-                                   scopeType === ScopeType.Eval)) {
+                                   scopeType === ScopeType.Eval ||
+                                   scopeType === ScopeType.Module)) {
             break;
         }
         result = { __proto__: null };