DevTools: Support harmony variable scopes.

Source/core/inspector/InjectedScriptSource.js

 /*
  * Copyright (C) 2007 Apple Inc.  All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
@@ skipping 1411 matching lines @@
         var scopeChainProxy = [];
         for (var i = 0; i < scopeChain.length; ++i)
             scopeChainProxy[i] = InjectedScript.CallFrameProxy._createScopeJson(callFrame.scopeType(i), scopeChain[i], "backtrace");
         return scopeChainProxy;
     },
 
     __proto__: null
 }
 
 /**
+ * @const
+ * @type {!Object.<number, !DebuggerAgent.ScopeType>}
+ */
+InjectedScript.CallFrameProxy._scopeTypeNames = {
+    0: "global",
+    1: "local",
+    2: "with",
+    3: "closure",
+    4: "catch",
+    5: "block",
+    6: "script",
+    __proto__: null
+};
+
+/**
  * @param {number} scopeTypeCode
  * @param {*} scopeObject
  * @param {string} groupId
  * @return {!DebuggerAgent.Scope}
  */
 InjectedScript.CallFrameProxy._createScopeJson = function(scopeTypeCode, scopeObject, groupId)
 {
-    const GLOBAL_SCOPE = 0;
-    const LOCAL_SCOPE = 1;
-    const WITH_SCOPE = 2;
-    const CLOSURE_SCOPE = 3;
-    const CATCH_SCOPE = 4;
-
-    /** @type {!Object.<number, string>} */
-    var scopeTypeNames = { __proto__: null };
-    scopeTypeNames[GLOBAL_SCOPE] = "global";
-    scopeTypeNames[LOCAL_SCOPE] = "local";
-    scopeTypeNames[WITH_SCOPE] = "with";
-    scopeTypeNames[CLOSURE_SCOPE] = "closure";
-    scopeTypeNames[CATCH_SCOPE] = "catch";
-
     return {
         object: injectedScript._wrapObject(scopeObject, groupId),
-        type: /** @type {!DebuggerAgent.ScopeType} */ (scopeTypeNames[scopeTypeCode]),
+        type: InjectedScript.CallFrameProxy._scopeTypeNames[scopeTypeCode],
         __proto__: null
     };
 }
 
 /**
  * @constructor
  * @param {!CommandLineAPIImpl} commandLineAPIImpl
  * @param {?JavaScriptCallFrame} callFrame
  */
 function CommandLineAPI(commandLineAPIImpl, callFrame)
@@ skipping 340 matching lines @@
      */
     _logEvent: function(event)
     {
         inspectedWindow.console.log(event.type, event);
     }
 }
 
 injectedScript._commandLineAPIImpl = new CommandLineAPIImpl();
 return injectedScript;
 })