Bluetooth: Add service data unit tests for chromeos

device/bluetooth/dbus/fake_bluetooth_device_client.h

Index: device/bluetooth/dbus/fake_bluetooth_device_client.h
diff --git a/device/bluetooth/dbus/fake_bluetooth_device_client.h b/device/bluetooth/dbus/fake_bluetooth_device_client.h
index 1218e9654eb782d3356e9b12857f8f2ad93bfb69..abf086faed45ba09a138a15c09597033b403216a 100644
--- a/device/bluetooth/dbus/fake_bluetooth_device_client.h
+++ b/device/bluetooth/dbus/fake_bluetooth_device_client.h
@@ -156,12 +156,15 @@ class DEVICE_BLUETOOTH_EXPORT FakeBluetoothDeviceClient
   void RemoveAllDevices();
 
   // Create a test Bluetooth device with the given properties.
-  void CreateTestDevice(const dbus::ObjectPath& adapter_path,
-                        const base::Optional<std::string> name,
-                        const std::string alias,
-                        const std::string device_address,
-                        const std::vector<std::string>& service_uuids,
-                        device::BluetoothTransport type);
+  void CreateTestDevice(
+      const dbus::ObjectPath& adapter_path,
+      const base::Optional<std::string> name,
+      const std::string alias,
+      const std::string device_address,
+      const std::vector<std::string>& service_uuids,
+      device::BluetoothTransport type,
+      const std::unordered_map<std::string, std::vector<uint8_t>>&
+          service_data);
 
   void set_delay_start_discovery(bool value) { delay_start_discovery_ = value; }
 
@@ -169,6 +172,14 @@ class DEVICE_BLUETOOTH_EXPORT FakeBluetoothDeviceClient
   // |object_path| to |rssi|, if the fake device exists.
   void UpdateDeviceRSSI(const dbus::ObjectPath& object_path, int16_t rssi);
 
+  // Updates the service data property of fake device with object path
+  // |object_path| to merge |service_data| into the existing data,
+  // if the fake device exists.
+  void UpdateServiceData(
+      const dbus::ObjectPath& object_path,
+      const std::unordered_map<std::string, std::vector<uint8_t>>&
+          service_data);
+
   static const char kTestPinCode[];
   static const int kTestPassKey;