Make the process-wide ServiceRegistry available to JS.

third_party/WebKit/LayoutTests/usb/resources/usb-helpers.js

 'use strict';
 
 // TODO(reillyg): Remove when jyasskin upstreams this to testharness.js:
 // https://crbug.com/509058.
 function callWithKeyDown(functionCalledOnKeyPress) {
   return new Promise(resolve => {
     function onKeyPress() {
       document.removeEventListener('keypress', onKeyPress, false);
       resolve(functionCalledOnKeyPress());
     }
@@ skipping 404 matching lines @@
       setChosenDevice(deviceInfo) {
         this.chosenDeviceInfo_ = deviceInfo;
       }
 
       getPermission(deviceFilters) {
         return Promise.resolve({ result: this.chosenDeviceInfo_ });
       }
     }
 
     let mockDeviceManager = new MockDeviceManager;
-    mojo.serviceRegistry.addServiceOverrideForTesting(
+    mojo.frameServiceRegistry.addServiceOverrideForTesting(
         deviceManager.DeviceManager.name,
         pipe => {
           mockDeviceManager.bindToPipe(pipe);
         });
 
     let mockChooserService = new MockChooserService;
-    mojo.serviceRegistry.addServiceOverrideForTesting(
+    mojo.frameServiceRegistry.addServiceOverrideForTesting(
         chooserService.ChooserService.name,
         pipe => {
           mockChooserService.bindToPipe(pipe);
         });
 
     return fakeUsbDevices().then(fakeDevices => Promise.resolve({
       DeviceManager: deviceManager.DeviceManager,
       Device: device.Device,
       mockDeviceManager: mockDeviceManager,
       mockChooserService: mockChooserService,
       fakeDevices: fakeDevices,
       assertDeviceInfoEquals: assertDeviceInfoEquals,
       assertConfigurationInfoEquals: assertConfigurationInfoEquals,
     }));
   });
 }
 
 function usb_test(func, name, properties) {
   mojo_test(mojo => usbMocks(mojo).then(usb => {
     let result = Promise.resolve(func(usb));
     let cleanUp = () => usb.mockDeviceManager.reset();
     result.then(cleanUp, cleanUp);
     return result;
   }), name, properties);
 }