DevTools: Fix console not showing array items inherited from prototype.

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 131 matching lines @@
  * @template T
  */
 function nullifyObjectProto(obj)
 {
     if (obj && typeof obj === "object")
         obj.__proto__ = null;
     return obj;
 }
 
 /**
- * @param {*} obj
+ * @param {number|string} obj
  * @return {boolean}
  */
 function isUInt32(obj)
 {
-    return typeof obj === "number" && obj >>> 0 === obj && (obj > 0 || 1 / obj > 0);
+    if (typeof obj === "number")
+        return obj >>> 0 === obj && (obj > 0 || 1 / obj > 0);
+    return "" + (obj >>> 0) === obj;
 }
 
 /**
  * FireBug's array detection.
  * @param {*} obj
  * @return {boolean}
  */
 function isArrayLike(obj)
 {
     if (typeof obj !== "object")
         return false;
     try {
-        if (typeof obj.splice === "function")
-            return isUInt32(obj.length);
+        if (typeof obj.splice === "function") {
+            var len = obj.length;
+            return typeof len === "number" && isUInt32(len);
+        }
     } catch (e) {
     }
     return false;
 }
 
 /**
  * @param {number} a
  * @param {number} b
  * @return {number}
  */
@@ skipping 1195 matching lines @@
     {
         for (var descriptor of descriptors) {
             if (propertiesThreshold.indexes < 0 || propertiesThreshold.properties < 0)
                 break;
             if (!descriptor)
                 continue;
             if (descriptor.wasThrown) {
                 preview.lossless = false;
                 continue;
             }
-            if (!descriptor.enumerable && !descriptor.isOwn)
-                continue;
 
             var name = descriptor.name;
             if (name === "__proto__")
                 continue;
             if (this.subtype === "array" && name === "length")
                 continue;
+            if (!descriptor.enumerable && !descriptor.isOwn && !(this.subtype === "array" && isUInt32(name)))
+                continue;
 
             if (!("value" in descriptor)) {
                 preview.lossless = false;
                 this._appendPropertyPreview(preview, { name: name, type: "accessor", __proto__: null }, propertiesThreshold);
                 continue;
             }
 
             var value = descriptor.value;
             if (value === null) {
                 this._appendPropertyPreview(preview, { name: name, type: "object", subtype: "null", value: "null", __proto__: null }, propertiesThreshold);
@@ skipping 542 matching lines @@
      */
     _logEvent: function(event)
     {
         inspectedWindow.console.log(event.type, event);
     }
 }
 
 injectedScript._commandLineAPIImpl = new CommandLineAPIImpl();
 return injectedScript;
 })