[Easy Unlock] Port the BluetoothThrottler class to native code.

components/proximity_auth.gypi

 # Copyright 2014 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.
 
 {
   'targets': [
     {
       'target_name': 'proximity_auth',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../device/bluetooth/bluetooth.gyp:device_bluetooth',
         '../net/net.gyp:net',
       ],
       'sources': [
         "proximity_auth/bluetooth_connection.cc",
         "proximity_auth/bluetooth_connection.h",
         "proximity_auth/bluetooth_connection_finder.cc",
         "proximity_auth/bluetooth_connection_finder.h",
+        "proximity_auth/bluetooth_throttler.h",
+        "proximity_auth/bluetooth_throttler_impl.cc",
+        "proximity_auth/bluetooth_throttler_impl.h",
         "proximity_auth/bluetooth_util.cc",
         "proximity_auth/bluetooth_util.h",
         "proximity_auth/bluetooth_util_chromeos.cc",
         "proximity_auth/client.cc",
         "proximity_auth/client.h",
         "proximity_auth/client_observer.h",
         "proximity_auth/connection.cc",
         "proximity_auth/connection.h",
         "proximity_auth/connection_finder.h",
         "proximity_auth/connection_observer.h",
         "proximity_auth/proximity_auth_system.cc",
         "proximity_auth/proximity_auth_system.h",
         "proximity_auth/remote_device.h",
         "proximity_auth/remote_status_update.cc",
         "proximity_auth/remote_status_update.h",
         "proximity_auth/secure_context.h",
         "proximity_auth/switches.cc",
         "proximity_auth/switches.h",
+        "proximity_auth/throttled_bluetooth_connection_finder.cc",
+        "proximity_auth/throttled_bluetooth_connection_finder.h",
         "proximity_auth/wire_message.cc",
         "proximity_auth/wire_message.h",
       ],
     },
     {
       # GN version: //components/cryptauth/proto
       'target_name': 'cryptauth_proto',
       'type': 'static_library',
       'sources': [
         'proximity_auth/cryptauth/proto/cryptauth_api.proto',
@@ skipping 56 matching lines @@
         "proximity_auth/cryptauth/fake_secure_message_delegate.h",
         "proximity_auth/cryptauth/mock_cryptauth_client.cc",
         "proximity_auth/cryptauth/mock_cryptauth_client.h",
       ],
       'export_dependent_settings': [
         'cryptauth_proto',
       ],
     },
   ],
 }