DevTools: console is missing when debugging Node

third_party/WebKit/Source/devtools/front_end/product_registry/ProductRegistry.js

Index: third_party/WebKit/Source/devtools/front_end/product_registry/ProductRegistry.js
diff --git a/third_party/WebKit/Source/devtools/front_end/product_registry/ProductRegistry.js b/third_party/WebKit/Source/devtools/front_end/product_registry/ProductRegistry.js
index a7b69ba906eda4fec5703d2e648abfbfc73fac6a..8b7d2f935c502033891ec002d561731d336208ef 100644
--- a/third_party/WebKit/Source/devtools/front_end/product_registry/ProductRegistry.js
+++ b/third_party/WebKit/Source/devtools/front_end/product_registry/ProductRegistry.js
@@ -5,7 +5,10 @@
  * @return {!Promise<!ProductRegistry.Registry>}
  */
 ProductRegistry.instance = function() {
-  return self.runtime.extension(ProductRegistry.Registry).instance();
+  var extension = self.runtime.extension(ProductRegistry.Registry);
+  if (extension)
+    return extension.instance();
+  return Promise.resolve(self.singleton(ProductRegistry.RegistryStub));
 };
 
 /**
@@ -33,5 +36,37 @@ ProductRegistry.Registry.prototype = {
   typeForUrl: function(parsedUrl) {}
 };
 
+/**
+ * @implements {ProductRegistry.Registry}
+ */
+ProductRegistry.RegistryStub = class {
+  /**
+   * @override
+   * @param {!Common.ParsedURL} parsedUrl
+   * @return {?string}
+   */
+  nameForUrl(parsedUrl) {
+    return null;
+  }
+
+  /**
+   * @override
+   * @param {!Common.ParsedURL} parsedUrl
+   * @return {?ProductRegistry.Registry.ProductEntry}
+   */
+  entryForUrl(parsedUrl) {
+    return null;
+  }
+
+  /**
+   * @override
+   * @param {!Common.ParsedURL} parsedUrl
+   * @return {?number}
+   */
+  typeForUrl(parsedUrl) {
+    return null;
+  }
+};
+
 /** @typedef {!{name: string, type: ?number}} */
 ProductRegistry.Registry.ProductEntry;