DevTools: Fix wrong is-array-like detection when logging in console.

Source/core/inspector/InjectedScriptSource.js

Index: Source/core/inspector/InjectedScriptSource.js
diff --git a/Source/core/inspector/InjectedScriptSource.js b/Source/core/inspector/InjectedScriptSource.js
index 6897dcfb408b1149ab35f57eb4d9776580e3a428..e8dcf1457cb4b90d83cfcfee94878922cc23e5cc 100644
--- a/Source/core/inspector/InjectedScriptSource.js
+++ b/Source/core/inspector/InjectedScriptSource.js
@@ -111,6 +111,30 @@ function nullifyObjectProto(obj)
 }
 
 /**
+ * FireBug's array detection.
+ * @param {*} obj
+ * @return {boolean}
+ */
+function isArrayLike(obj)
+{
+    try {
+        if (typeof obj !== "object")
+            return false;
+        if (typeof obj.splice === "function")
+            return isFinite(obj.length);
+        var str = Object.prototype.toString.call(obj);
+        if (str === "[object Array]" ||
+            str === "[object Arguments]" ||
+            str === "[object HTMLCollection]" ||
+            str === "[object NodeList]" ||
+            str === "[object DOMTokenList]")
+            return isFinite(obj.length);
+    } catch (e) {
+    }
+    return false;
+}
+
+/**
  * @constructor
  */
 var InjectedScript = function()
@@ -893,14 +917,8 @@ InjectedScript.prototype = {
         if (preciseType)
             return preciseType;
 
-        // FireBug's array detection.
-        try {
-            if (typeof obj.splice === "function" && isFinite(obj.length))
-                return "array";
-            if (Object.prototype.toString.call(obj) === "[object Arguments]" && isFinite(obj.length)) // arguments.
-                return "array";
-        } catch (e) {
-        }
+        if (isArrayLike(obj))
+            return "array";
 
         // If owning frame has navigated to somewhere else window properties will be undefined.
         return null;