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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 d4d366d4fb37a7295c481aa3649d388adb629560..327c84510d1058e4853c0bd915e9ac3cac896a2f 100644
--- a/Source/core/inspector/InjectedScriptSource.js
+++ b/Source/core/inspector/InjectedScriptSource.js
@@ -1008,6 +1008,14 @@ InjectedScript.prototype = {
         if (typeof obj === "function")
             return toString(obj);
 
+        if (typeof obj === "symbol") {
+            try {
+                return Symbol.prototype.toString.call(obj) || "Symbol";
+            } catch (e) {
+                return "Symbol";
+            }
+        }
+
         if (className === "Object") {
             // In Chromium DOM wrapper prototypes will have Object as their constructor name,
             // get the real DOM wrapper name from the constructor property.