Don't kill Chrome Apps that make XHRs from guests.

chrome/test/data/extensions/platform_apps/web_view/content_script_fetch/embedder.js

Index: chrome/test/data/extensions/platform_apps/web_view/content_script_fetch/embedder.js
diff --git a/chrome/test/data/extensions/platform_apps/web_view/content_script_fetch/embedder.js b/chrome/test/data/extensions/platform_apps/web_view/content_script_fetch/embedder.js
new file mode 100644
index 0000000000000000000000000000000000000000..00dd3c095fce4bf2efbf4b455194791de2455d21
--- /dev/null
+++ b/chrome/test/data/extensions/platform_apps/web_view/content_script_fetch/embedder.js
@@ -0,0 +1,86 @@
+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var embedder = {};
+embedder.test = {};
+embedder.baseGuestURL = '';
+embedder.guestURL = '';
+
+window.runTest = function(testName) {
+  if (!embedder.test.testList[testName]) {
+    console.log('Incorrect testName: ' + testName);
+    embedder.test.fail();
+    return;
+  }
+
+  // Run the test.
+  embedder.test.testList[testName]();
+};
+// window.* exported functions end.
+
+
+embedder.test.succeed = function() {
+  chrome.test.sendMessage('TEST_PASSED');
+};
+
+embedder.test.fail = function() {
+  chrome.test.sendMessage('TEST_FAILED');
+};
+
+embedder.setUp = function(config) {
+  embedder.baseGuestURL = 'http://localhost:' + config.testServer.port;
+  embedder.guestURL = embedder.baseGuestURL +
+      '/extensions/platform_apps/web_view/content_script_fetch/guest.html';
+};
+
+/** @private */
+embedder.setUpGuest_ = function() {
+  document.querySelector('#webview-tag-container').innerHTML =
+      '<webview style="width: 100px; height: 100px;"></webview>';
+  var webview = document.querySelector('webview');
+  if (!webview) {
+    console.log('No <webview> element created');
+    embedder.test.fail();
+  }
+  return webview;
+};
+
+// Tests begin.
+
+function testContentScriptFetch() {
+  var webview = embedder.setUpGuest_();
+  webview.addContentScripts([{
+      name: 'rule',
+      matches: ['http://localhost/*'],
+      js: { files: ['content_script.js'] },
+      run_at: 'document_start'}]);
+
+  webview.addEventListener('loadstop', function() {
+    var msg = ["start-fetch"];
+    webview.contentWindow.postMessage(JSON.stringify(msg), '*');
+  });
+
+  window.addEventListener('message', function(e) {
+    var data = JSON.parse(e.data);
+    if (data == "fetch-success") {
+      embedder.test.succeed();
+      return;
+    }
+    console.log('Unexpected message: \'' + data[0]  + '\'');
+    embedder.test.fail();
+  });
+
+  webview.src = embedder.guestURL;
+}
+
+embedder.test.testList = {
+  testContentScriptFetch: testContentScriptFetch
+};
+
+onload = function() {
+  chrome.test.getConfig(function(config) {
+    embedder.setUp(config);
+    chrome.test.sendMessage('Launched');
+  });
+};