Code review comments and upstream merge conflicts

Incorporated code review comments in components/net/http_loader.rs
Resolved merge conflicts in cargo.lock file. Updated ReferrerPolicy in
lib.rs

components/script/dom/webidls/TestRunner.webidl

@@ -0,0 +1,16 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+// https://webbluetoothcg.github.io/web-bluetooth/tests#test-runner
+
+// callback BluetoothManualChooserEventsCallback = void(sequence<DOMString> events);
+
+[Pref="dom.bluetooth.testing.enabled", Exposed=Window]
+interface TestRunner {
+  [Throws]
+  void setBluetoothMockDataSet(DOMString dataSetName);
+  // void setBluetoothManualChooser();
+  // void getBluetoothManualChooserEvents(BluetoothManualChooserEventsCallback callback);
+  // void sendBluetoothManualChooserEvent(DOMString event, DOMString argument);
+};

components/script/dom/webidls/Window.webidl

@@ -185,3 +185,10 @@ Window implements WindowLocalStorage;
 
 // http://w3c.github.io/animation-timing/#framerequestcallback
 callback FrameRequestCallback = void (DOMHighResTimeStamp time);
+
+// https://webbluetoothcg.github.io/web-bluetooth/tests#test-interfaces
+partial interface Window {
+   [Pref="dom.bluetooth.testing.enabled", Exposed=Window]
+   readonly attribute TestRunner testRunner;
+   //readonly attribute EventSender eventSender;
+};