bluetooth: Only add new devices, connected devices and devices that changed.

device/bluetooth/test/mock_bluetooth_device.h

 // Copyright (c) 2012 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.
 
 #ifndef DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_DEVICE_H_
 #define DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_DEVICE_H_
 
 #include <stdint.h>
 
 #include <memory>
@@ skipping 96 matching lines @@
   // test cases without using these functions.
   // Example:
   // ON_CALL(*mock_device, GetGattServices))
   //   .WillByDefault(Invoke(*mock_device,
   //                         &MockBluetoothDevice::GetMockServices));
   void AddMockService(std::unique_ptr<MockBluetoothGattService> mock_device);
   std::vector<BluetoothRemoteGattService*> GetMockServices() const;
   BluetoothRemoteGattService* GetMockService(
       const std::string& identifier) const;
 
+  void AddUUID(const BluetoothUUID& uuid) { uuids_.push_back(uuid); }
+
   void SetConnected(bool connected) { connected_ = connected; }
 
  private:
   uint32_t bluetooth_class_;
   base::Optional<std::string> name_;
   std::string address_;
   BluetoothDevice::UUIDList uuids_;
   bool connected_;
 
   ScopedVector<MockBluetoothGattService> mock_services_;
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_DEVICE_H_