Remove Blink copies of readable-streams layout tests

third_party/WebKit/LayoutTests/http/tests/streams/readable-streams/brand-checks.js

-'use strict';
-
-if (self.importScripts) {
-  self.importScripts('../resources/test-utils.js');
-  self.importScripts('/resources/testharness.js');
-}
-
-let ReadableStreamReader;
-let ReadableStreamController;
-
-test(() => {
-
-  // It's not exposed globally, but we test a few of its properties here.
-  ReadableStreamReader = (new ReadableStream()).getReader().constructor;
-
-}, 'Can get the ReadableStreamReader constructor indirectly');
-
-test(() => {
-
-  // It's not exposed globally, but we test a few of its properties here.
-  new ReadableStream({
-    start(c) {
-      ReadableStreamController = c.constructor;
-    }
-  });
-
-}, 'Can get the ReadableStreamController constructor indirectly');
-
-function fakeReadableStream() {
-  return {
-    cancel() { return Promise.resolve(); },
-    getReader() { return new ReadableStreamReader(new ReadableStream()); },
-    pipeThrough(obj) { return obj.readable; },
-    pipeTo() { return Promise.resolve(); },
-    tee() { return [realReadableStream(), realReadableStream()]; }
-  };
-}
-
-function realReadableStream() {
-  return new ReadableStream();
-}
-
-function fakeReadableStreamReader() {
-  return {
-    get closed() { return Promise.resolve(); },
-    cancel() { return Promise.resolve(); },
-    read() { return Promise.resolve({ value: undefined, done: true }); },
-    releaseLock() { return; }
-  };
-}
-
-function fakeReadableStreamController() {
-  return {
-    close() { },
-    enqueue() { },
-    error() { }
-  };
-}
-
-promise_test(t => {
-
-  return methodRejects(t, ReadableStream.prototype, 'cancel', fakeReadableStream());
-
-}, 'ReadableStream.prototype.cancel enforces a brand check');
-
-test(() => {
-
-  methodThrows(ReadableStream.prototype, 'getReader', fakeReadableStream());
-
-}, 'ReadableStream.prototype.getReader enforces a brand check');
-
-test(() => {
-
-  methodThrows(ReadableStream.prototype, 'tee', fakeReadableStream());
-
-}, 'ReadableStream.prototype.tee enforces a brand check');
-
-test(() => {
-
-  assert_throws(new TypeError(), () => new ReadableStreamReader(fakeReadableStream()),
-                'Constructing a ReadableStreamReader should throw');
-
-}, 'ReadableStreamReader enforces a brand check on its argument');
-
-promise_test(t => {
-
-  return Promise.all([
-    getterRejects(t, ReadableStreamReader.prototype, 'closed', fakeReadableStreamReader()),
-    getterRejects(t, ReadableStreamReader.prototype, 'closed', realReadableStream())
-  ]);
-
-}, 'ReadableStreamReader.prototype.closed enforces a brand check');
-
-promise_test(t => {
-
-  return Promise.all([
-    methodRejects(t, ReadableStreamReader.prototype, 'cancel', fakeReadableStreamReader()),
-    methodRejects(t, ReadableStreamReader.prototype, 'cancel', realReadableStream())
-  ]);
-
-}, 'ReadableStreamReader.prototype.cancel enforces a brand check');
-
-promise_test(t => {
-
-  return Promise.all([
-    methodRejects(t, ReadableStreamReader.prototype, 'read', fakeReadableStreamReader()),
-    methodRejects(t, ReadableStreamReader.prototype, 'read', realReadableStream())
-  ]);
-
-}, 'ReadableStreamReader.prototype.read enforces a brand check');
-
-test(() => {
-
-  methodThrows(ReadableStreamReader.prototype, 'releaseLock', fakeReadableStreamReader());
-  methodThrows(ReadableStreamReader.prototype, 'releaseLock', realReadableStream());
-
-}, 'ReadableStreamReader.prototype.releaseLock enforces a brand check');
-
-test(() => {
-
-  assert_throws(new TypeError(), () => new ReadableStreamController(fakeReadableStream()),
-                'Constructing a ReadableStreamController should throw');
-
-}, 'ReadableStreamController enforces a brand check on its argument');
-
-test(() => {
-
-  assert_throws(new TypeError(), () => new ReadableStreamController(realReadableStream()),
-                'Constructing a ReadableStreamController should throw');
-
-}, 'ReadableStreamController can\'t be given a fully-constructed ReadableStream');
-
-test(() => {
-
-  methodThrows(ReadableStreamController.prototype, 'close', fakeReadableStreamController());
-
-}, 'ReadableStreamController.prototype.close enforces a brand check');
-
-test(() => {
-
-  methodThrows(ReadableStreamController.prototype, 'enqueue', fakeReadableStreamController());
-
-}, 'ReadableStreamController.prototype.enqueue enforces a brand check');
-
-test(() => {
-
-  methodThrows(ReadableStreamController.prototype, 'error', fakeReadableStreamController());
-
-}, 'ReadableStreamController.prototype.error enforces a brand check');
-
-done();