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

components/proximity_auth/bluetooth_throttler_impl.cc

-// Copyright 2015 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 "components/proximity_auth/bluetooth_throttler_impl.h"
-
-#include <utility>
-
-#include "base/stl_util.h"
-#include "base/time/tick_clock.h"
-#include "components/proximity_auth/connection.h"
-
-namespace proximity_auth {
-namespace {
-
-// Time to wait after disconnect before reconnecting.
-const int kCooldownTimeSecs = 7;
-
-}  // namespace
-
-BluetoothThrottlerImpl::BluetoothThrottlerImpl(
-    std::unique_ptr<base::TickClock> clock)
-    : clock_(std::move(clock)) {}
-
-BluetoothThrottlerImpl::~BluetoothThrottlerImpl() {
-  for (Connection* connection : connections_) {
-    connection->RemoveObserver(this);
-  }
-}
-
-base::TimeDelta BluetoothThrottlerImpl::GetDelay() const {
-  if (last_disconnect_time_.is_null())
-    return base::TimeDelta();
-
-  base::TimeTicks now = clock_->NowTicks();
-  base::TimeTicks throttled_start_time =
-      last_disconnect_time_ + GetCooldownTimeDelta();
-  if (now >= throttled_start_time)
-    return base::TimeDelta();
-
-  return throttled_start_time - now;
-}
-
-void BluetoothThrottlerImpl::OnConnection(Connection* connection) {
-  DCHECK(!base::ContainsKey(connections_, connection));
-  connections_.insert(connection);
-  connection->AddObserver(this);
-}
-
-base::TimeDelta BluetoothThrottlerImpl::GetCooldownTimeDelta() const {
-  return base::TimeDelta::FromSeconds(kCooldownTimeSecs);
-}
-
-void BluetoothThrottlerImpl::OnConnectionStatusChanged(
-    Connection* connection,
-    Connection::Status old_status,
-    Connection::Status new_status) {
-  DCHECK(base::ContainsKey(connections_, connection));
-  if (new_status == Connection::DISCONNECTED) {
-    last_disconnect_time_ = clock_->NowTicks();
-    connection->RemoveObserver(this);
-    connections_.erase(connection);
-  }
-}
-
-}  // namespace proximity_auth