Unify webexposed/global-interface-listing scripts

third_party/WebKit/LayoutTests/http/tests/serviceworker/webexposed/resources/global-interface-listing-worker.js

-/* Adopted from LayoutTests/webexposed/resources/global-interface-listing.js */
-
-// Run all the code in a local scope.
+// Avoid polluting the global scope.
 (function(global_object) {
 
-var globals = [];
+  // Save the list of property names of the global object before loading other scripts.
+  var global_property_names = Object.getOwnPropertyNames(global_object);
 
-// List of builtin JS constructors; Blink is not controlling what properties these
-// objects have, so exercising them in a Blink test doesn't make sense.
-//
-// This list should be kept in sync with the one at LayoutTests/webexposed/resources/global-interface-listing.js
-var js_builtins = new Set([
-    'Array',
-    'ArrayBuffer',
-    'Boolean',
-    'Date',
-    'Error',
-    'EvalError',
-    'Float32Array',
-    'Float64Array',
-    'Function',
-    'Infinity',
-    'Int16Array',
-    'Int32Array',
-    'Int8Array',
-    'Intl',
-    'JSON',
-    'Map',
-    'Math',
-    'NaN',
-    'Number',
-    'Object',
-    'Promise',
-    'Proxy',
-    'RangeError',
-    'ReferenceError',
-    'Reflect',
-    'RegExp',
-    'Set',
-    'String',
-    'Symbol',
-    'SyntaxError',
-    'TypeError',
-    'URIError',
-    'Uint16Array',
-    'Uint32Array',
-    'Uint8Array',
-    'Uint8ClampedArray',
-    'WeakMap',
-    'WeakSet',
-    'WebAssembly',
-    'decodeURI',
-    'decodeURIComponent',
-    'encodeURI',
-    'encodeURIComponent',
-    'escape',
-    'eval',
-    'isFinite',
-    'isNaN',
-    'parseFloat',
-    'parseInt',
-    'undefined',
-    'unescape',
-]);
+  importScripts('/js-test-resources/global-interface-listing.js');
 
-function is_web_idl_constructor(property_name) {
-  if (js_builtins.has(property_name))
-    return false;
-  var descriptor = Object.getOwnPropertyDescriptor(this, property_name);
-  if (descriptor.value === undefined ||
-      descriptor.value.prototype === undefined) {
-    return false;
-  }
-  return descriptor.writable && !descriptor.enumerable &&
-         descriptor.configurable;
-}
+  var globals = [];
 
-function collect_property_info(object, property_name, output) {
-  var keywords = ('prototype' in object) ? 'static ' : '';
-  var descriptor = Object.getOwnPropertyDescriptor(object, property_name);
-  if ('value' in descriptor) {
-    var type;
-    if (typeof descriptor.value === 'function') {
-      type = 'method';
-    } else {
-      type = 'attribute';
-    }
-    output.push('    ' + keywords + type + ' ' + property_name);
-  } else {
-    if (descriptor.get)
-      output.push('    ' + keywords + 'getter ' + property_name);
-    if (descriptor.set)
-      output.push('    ' + keywords + 'setter ' + property_name);
-  }
-}
+  globalInterfaceListing(global_object,
+                         global_property_names,
+                         string => globals.push(string));
 
-var interface_names = Object.getOwnPropertyNames(global_object).filter(is_web_idl_constructor);
-interface_names.sort();
-interface_names.forEach(function(interface_name) {
-  var inherits_from = this[interface_name].__proto__.name;
-  if (inherits_from)
-    globals.push('interface ' + interface_name + ' : ' + inherits_from);
-  else
-    globals.push('interface ' + interface_name);
-  // List static properties then prototype properties.
-  [this[interface_name], this[interface_name].prototype].forEach(function(object) {
-    if ('prototype' in object) {
-      // Skip properties that aren't static (e.g. consts), or are inherited.
-      var proto_properties = new Set(Object.keys(object.prototype).concat(
-                                     Object.keys(object.__proto__)));
-      var property_names = Object.keys(object).filter(function(name) {
-        return !proto_properties.has(name);
-      });
-    } else {
-      var property_names = Object.getOwnPropertyNames(object);
-    }
-    var property_strings = [];
-    property_names.forEach(function(property_name) {
-      collect_property_info(object, property_name, property_strings);
-    });
-    globals.push.apply(globals, property_strings.sort());
+  self.addEventListener('message', function(event) {
+    event.ports[0].postMessage({ result: globals });
   });
-});
 
-globals.push('global object');
-var property_strings = [];
-var member_names = Object.getOwnPropertyNames(global_object).filter(function(property_name) {
-  return !js_builtins.has(property_name) && !is_web_idl_constructor(property_name);
-});
-member_names.forEach(function(property_name) {
-  collect_property_info(global_object, property_name, property_strings);
-});
-globals.push.apply(globals, property_strings.sort());
-
-self.addEventListener('message', function(event) {
-  event.ports[0].postMessage({ result: globals });
-});
-
-})(this); // Run all the code in a local scope.
+})(this);