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

components/proximity_auth/connection_finder.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_CONNECTION_FINDER_H
 #define COMPONENTS_PROXIMITY_AUTH_CONNECTION_FINDER_H
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 
 namespace proximity_auth {
 
 class Connection;
 
 // Interface for finding a connection to a remote device.
 class ConnectionFinder {
  public:
-  ConnectionFinder() {}
   virtual ~ConnectionFinder() {}
 
   // Attempts to find a connection to a remote device. The finder will try to
   // find the connection indefinitely until the finder is destroyed. Calls
   // |connection_callback| with the open connection once the remote device is
   // connected.
   // TODO(isherman): Can this just be done as part of the constructor?
   typedef base::Callback<void(scoped_ptr<Connection> connection)>
       ConnectionCallback;
   virtual void Find(const ConnectionCallback& connection_callback) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ConnectionFinder);
 };
 
 }  // namespace proximity_auth
 
 #endif  // COMPONENTS_PROXIMITY_AUTH_CONNECTION_FINDER_H