Migrate weave-related classes from proximity_auth/ble to cryptauth/ble.

components/proximity_auth/ble/bluetooth_low_energy_weave_packet_generator.h

-// 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.
-
-#ifndef COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_WEAVE_PACKET_GENERATOR_H_
-#define COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_WEAVE_PACKET_GENERATOR_H_
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <memory>
-#include <string>
-#include <vector>
-
-#include "components/proximity_auth/ble/bluetooth_low_energy_weave_defines.h"
-#include "build/build_config.h"
-
-namespace proximity_auth {
-namespace weave {
-
-// Generates the messages sent using the uWeave protocol.
-class BluetoothLowEnergyWeavePacketGenerator {
- public:
-  class Factory {
-   public:
-    static std::unique_ptr<BluetoothLowEnergyWeavePacketGenerator>
-    NewInstance();
-
-    // Exposed for testing.
-    static void SetInstanceForTesting(std::shared_ptr<Factory> factory);
-
-   protected:
-    // Exposed for testing.
-    virtual std::unique_ptr<BluetoothLowEnergyWeavePacketGenerator>
-    BuildInstance();
-
-   private:
-    static std::shared_ptr<Factory> factory_instance_;
-  };
-
-  virtual Packet CreateConnectionRequest();
-  virtual Packet CreateConnectionResponse();
-  virtual Packet CreateConnectionClose(ReasonForClose reason_for_close);
-
-  // Packet size must be greater than or equal to 20.
-  virtual void SetMaxPacketSize(uint16_t size);
-
-  // Will crash if message is empty.
-  virtual std::vector<Packet> EncodeDataMessage(std::string message);
-
- protected:
-  BluetoothLowEnergyWeavePacketGenerator();
-
- private:
-  void SetShortField(uint32_t byte_offset, uint16_t val, Packet* packet);
-  void SetPacketTypeBit(PacketType val, Packet* packet);
-  void SetControlCommand(ControlCommand val, Packet* packet);
-  void SetPacketCounter(Packet* packet);
-  void SetDataFirstBit(Packet* packet);
-  void SetDataLastBit(Packet* packet);
-
-  // The default max packet length is 20 unless SetDataPacketLength() is called
-  // and specified otherwise.
-  uint16_t max_packet_size_;
-
-  // Counter for the number of packets sent, starting at 0.
-  uint8_t next_packet_counter_;
-};
-
-}  // namespace weave
-
-}  // namespace proximity_auth
-
-#endif  // COMPONENTS_PROXIMITY_AUTH_BLE_BLUETOOTH_LOW_ENERGY_WEAVE_PACKET_GENERATOR_H_