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

components/proximity_auth/client.h

 // 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.
 
 #ifndef COMPONENTS_PROXIMITY_AUTH_CLIENT_H
 #define COMPONENTS_PROXIMITY_AUTH_CLIENT_H
 
 #include <deque>
 
 #include "base/macros.h"
@@ skipping 73 matching lines @@
 
   // Handles an incoming "decrypt_response" message, parsing and notifying
   // observers of the decrypted content.
   void HandleDecryptResponseMessage(const base::DictionaryValue& message);
 
   // Handles an incoming "unlock_response" message, notifying observers of the
   // response.
   void HandleUnlockResponseMessage(const base::DictionaryValue& message);
 
   // ConnectionObserver:
-  void OnConnectionStatusChanged(const Connection& connection,
+  void OnConnectionStatusChanged(Connection* connection,
                                  Connection::Status old_status,
                                  Connection::Status new_status) override;
   void OnMessageReceived(const Connection& connection,
                          const WireMessage& wire_message) override;
   void OnSendCompleted(const Connection& connection,
                        const WireMessage& wire_message,
                        bool success) override;
 
   // The connection used to send and receive events and status updates.
   scoped_ptr<Connection> connection_;
@@ skipping 11 matching lines @@
   // The current message being sent or waiting on the remote device for a
   // response. Null if there is no message currently in this state.
   scoped_ptr<PendingMessage> pending_message_;
 
   DISALLOW_COPY_AND_ASSIGN(Client);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_CLIENT_H