Update unit tests for BluetoothDevice::GetPrimaryServicesByUUID() etc.

device/bluetooth/bluetooth_remote_gatt_service.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "device/bluetooth/bluetooth_remote_gatt_service.h"
 
+#include "device/bluetooth/bluetooth_remote_gatt_characteristic.h"
+#include "device/bluetooth/bluetooth_uuid.h"
+
 namespace device {
 
 BluetoothRemoteGattService::BluetoothRemoteGattService() {}
 
 BluetoothRemoteGattService::~BluetoothRemoteGattService() {}
 
+std::vector<BluetoothRemoteGattCharacteristic*>
+BluetoothRemoteGattService::GetCharacteristicsByUUID(
+    const BluetoothUUID& characteristic_uuid) {
+  std::vector<BluetoothRemoteGattCharacteristic*> result;
+  std::vector<BluetoothRemoteGattCharacteristic*> characteristics =
+      GetCharacteristics();

[ortuno, 2017/04/04 22:14:12]

Nice! I thought we might have to refactor all impls to use the same map but this
is much better :)

[juncai, 2017/04/05 00:36:46]

Thanks! :).

+  for (auto* characteristic : characteristics) {
+    if (characteristic->GetUUID() == characteristic_uuid) {
+      result.push_back(characteristic);
+    }
+  }
+  return result;
+}
+
 }  // namespace device