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

components/proximity_auth/client.cc

 // 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.
 
 #include "components/proximity_auth/client.h"
 
 #include "base/json/json_reader.h"
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "components/proximity_auth/client_observer.h"
@@ skipping 159 matching lines @@
     response.reset(new std::string(decrypted_data));
   }
   FOR_EACH_OBSERVER(
       ClientObserver, observers_, OnDecryptResponse(response.Pass()));
 }
 
 void Client::HandleUnlockResponseMessage(const base::DictionaryValue& message) {
   FOR_EACH_OBSERVER(ClientObserver, observers_, OnUnlockResponse(true));
 }
 
-void Client::OnConnectionStatusChanged(const Connection& connection,
+void Client::OnConnectionStatusChanged(Connection* connection,
                                        Connection::Status old_status,
                                        Connection::Status new_status) {
-  DCHECK_EQ(&connection, connection_.get());
+  DCHECK_EQ(connection, connection_.get());
   if (new_status != Connection::CONNECTED) {
     VLOG(1) << "[Client] Secure channel disconnected...";
     connection_->RemoveObserver(this);
     connection_.reset();
     FOR_EACH_OBSERVER(ClientObserver, observers_, OnDisconnected());
     // TODO(isherman): Determine whether it's also necessary/appropriate to fire
     // this notification from the destructor.
   }
 }
 
@@ skipping 86 matching lines @@
   } else {
     VLOG(1) << "[Client] Message of unknown type '" << pending_message_->type
             << "sent.";
   }
 
   pending_message_.reset();
   ProcessMessageQueue();
 }
 
 }  // namespace proximity_auth