bluetooth: Implement simulateGATTConnectionResponse()

third_party/WebKit/LayoutTests/bluetooth/server/connect/get-same-gatt-server.html

Index: third_party/WebKit/LayoutTests/bluetooth/server/connect/get-same-gatt-server.html
diff --git a/third_party/WebKit/LayoutTests/bluetooth/server/connect/get-same-gatt-server.html b/third_party/WebKit/LayoutTests/bluetooth/server/connect/get-same-gatt-server.html
index 1c7774f5bbf1d422576ce20b8e9f2f50a2bae0af..d6d1a42119675def6122c0cc39ef656ca76ddedd 100644
--- a/third_party/WebKit/LayoutTests/bluetooth/server/connect/get-same-gatt-server.html
+++ b/third_party/WebKit/LayoutTests/bluetooth/server/connect/get-same-gatt-server.html
@@ -2,16 +2,24 @@
 <script src="../../../resources/testharness.js"></script>
 <script src="../../../resources/testharnessreport.js"></script>
 <script src="../../../resources/bluetooth/bluetooth-helpers.js"></script>
+<script src="../../../resources/bluetooth/web-bluetooth-test.js"></script>
+<script src="../../../resources/mojo-helpers.js"></script>
 <script>
 'use strict';
 promise_test(() => {
-  return setBluetoothFakeAdapter('HeartRateAdapter')
-    .then(() => requestDeviceWithKeyDown({
-      filters: [{services: ['heart_rate']}]}))
-    .then(device => {
-      return Promise.all([device.gatt.connect(), device.gatt.connect()])
-    }).then(gattServers => {
-      assert_equals(gattServers[0], gattServers[1]);
-    });
+  return getDiscoveredHealthThermometerDevice()
+    .then(([device, fake_peripheral]) => {
+      return fake_peripheral
+        .setNextGATTConnectionResponse({code: HCI_SUCCESS})
+        .then(() => device.gatt.connect())
+        .then(gatt1 => {
+          // No second response is necessary because an ATT Bearer
+          // already exists from the first connection.
+          // See https://webbluetoothcg.github.io/web-bluetooth/#dom-bluetoothremotegattserver-connect
+          // step 5.1.
+          return device.gatt.connect().then(gatt2 => [gatt1, gatt2]);
+        });
+    })
+    .then(([gatt1, gatt2]) => assert_equals(gatt1, gatt2));
 }, 'Multiple connects should return the same gatt object.');
 </script>