Add tests for RequestDeviceOptions and clean up.

LayoutTests/bluetooth/requestDevice.html

Index: LayoutTests/bluetooth/requestDevice.html
diff --git a/LayoutTests/bluetooth/requestDevice.html b/LayoutTests/bluetooth/requestDevice.html
index 932d985dde5c7bb6797c71d9e4fa636634f0a257..e07c4e441fcb11de7b0fc5e35e5c092ed377f1b8 100644
--- a/LayoutTests/bluetooth/requestDevice.html
+++ b/LayoutTests/bluetooth/requestDevice.html
@@ -38,4 +38,35 @@ sequential_promise_test(function() {
     assert_equals(device.constructor.name, "BluetoothDevice");
   });
 }, 'Mock will resolve.');
+
+sequential_promise_test(function() {
+  testRunner.setBluetoothMockDataSet('ScanFilterCheckingAdapter');
+  return navigator.bluetooth.requestDevice({
+    filters: [
+      {services: [batteryServiceUuid]},
+      {services: [glucoseServiceUuid, heartRateServiceUuid]}
+    ],
+    optionalServices: [genericAccessServiceUuid]
+  }).catch(function(e) {
+    assert_equals(e.name, 'NotFoundError',
+                  'Started discovery with an unexpected set of UUIDs.');
+  });
+}, 'Filters restrict the platform\'s Bluetooth scan.');
+
+sequential_promise_test(function() {
+  testRunner.setBluetoothMockDataSet('MultiDeviceAdapter');
+  return Promise.all([
+    navigator.bluetooth.requestDevice({
+      filters: [{services: [glucoseServiceUuid]}]
+    }).then(function(device) {
+      assert_equals(device.name, "Glucose Device");
+    }),
+    navigator.bluetooth.requestDevice({
+      filters: [{services: [heartRateServiceUuid]}]
+    }).then(function(device) {
+      assert_equals(device.name, "Heart Rate Device");
+    }),
+  ]);
+}, 'Filters determine the returned devices.');
+
 </script>