[DeviceService] Expose battery monitoring solely via the Device Service

third_party/WebKit/LayoutTests/battery-status/resources/mock-battery-monitor.js

 "use strict";
 
 let mockBatteryMonitor = loadMojoModules('mockBatteryMonitor', [
-                           'device/battery/battery_monitor.mojom',
-                           'device/battery/battery_status.mojom',
+                           'services/device/public/interfaces/battery_monitor.mojom',
+                           'services/device/public/interfaces/battery_status.mojom',
                            'services/device/public/interfaces/constants.mojom',
                            'mojo/public/js/bindings',
                          ]).then(mojo => {
   let [batteryMonitor, batteryStatus, deviceConstants, bindings] = mojo.modules;
 
   class MockBatteryMonitor {
     constructor(connector) {
       connector.addInterfaceOverrideForTesting(
           deviceConstants.kServiceName, batteryMonitor.BatteryMonitor.name,
           handle => this.bindingSet_.addBinding(this, handle));
@@ skipping 55 matching lines @@
            'lastSetMockBatteryInfo.dischargingTime');
   shouldBe('batteryInfo.level', 'lastSetMockBatteryInfo.level');
 }
 
 function batteryStatusFailure() {
   testFailed('failed to successfully resolve the promise');
   setTimeout(finishJSTest, 0);
 }
 
 var mockBatteryMonitorReady = mockBatteryMonitor.then();