Revert of [Easy Unlock] Port the BluetoothConnectionFinder class to native code.

components/proximity_auth/bluetooth_connection_finder.h

Index: components/proximity_auth/bluetooth_connection_finder.h
diff --git a/components/proximity_auth/bluetooth_connection_finder.h b/components/proximity_auth/bluetooth_connection_finder.h
deleted file mode 100644
index 8de83b7707b62b59b01013bb2db89fd20e2a8afa..0000000000000000000000000000000000000000
--- a/components/proximity_auth/bluetooth_connection_finder.h
+++ /dev/null
@@ -1,108 +0,0 @@
-// 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_BLUETOOTH_CONNECTION_FINDER_H
-#define COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_CONNECTION_FINDER_H
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/time/time.h"
-#include "components/proximity_auth/connection_finder.h"
-#include "components/proximity_auth/connection_observer.h"
-#include "components/proximity_auth/remote_device.h"
-#include "device/bluetooth/bluetooth_adapter.h"
-#include "device/bluetooth/bluetooth_uuid.h"
-
-namespace proximity_auth {
-
-class BluetoothConnection;
-
-// This ConnectionFinder implementation tries to find a Bluetooth connection to
-// the remote device by polling at a fixed interval.
-class BluetoothConnectionFinder : public ConnectionFinder,
-                                  public ConnectionObserver,
-                                  public device::BluetoothAdapter::Observer {
- public:
-  BluetoothConnectionFinder(const RemoteDevice& remote_device,
-                            const device::BluetoothUUID& uuid,
-                            const base::TimeDelta& polling_interval);
-  virtual ~BluetoothConnectionFinder();
-
-  // ConnectionFinder:
-  virtual void Find(const ConnectionCallback& connection_callback) override;
-
- protected:
-  // Exposed for mocking out the connection in tests.
-  virtual scoped_ptr<Connection> CreateConnection();
-
-  // BluetoothAdapter::Observer:
-  virtual void AdapterPresentChanged(device::BluetoothAdapter* adapter,
-                                     bool present) override;
-  virtual void AdapterPoweredChanged(device::BluetoothAdapter* adapter,
-                                     bool powered) override;
-
- private:
-  // Returns true iff the Bluetooth adapter is ready to make connections.
-  bool IsReadyToPoll();
-
-  // Attempts to connect to the |remote_device_| if the system is ready for
-  // another iteration of polling.
-  void PollIfReady();
-
-  // Wrapper around |PollIfReady()| that can be posted as a delayed task.
-  void DelayedPollIfReady();
-
-  // Unregisters |this| instance as an observer from all objects that it might
-  // have registered with.
-  void UnregisterAsObserver();
-
-  // Callback to be called when the Bluetooth adapter is initialized.
-  void OnAdapterInitialized(scoped_refptr<device::BluetoothAdapter> adapter);
-
-  // ConnectionObserver:
-  virtual void OnConnectionStatusChanged(
-      const Connection& connection,
-      Connection::Status old_status,
-      Connection::Status new_status) override;
-
-  // The remote device to connect to.
-  const RemoteDevice remote_device_;
-
-  // The UUID of the service on the remote device.
-  const device::BluetoothUUID uuid_;
-
-  // The time to wait between polling attempts.
-  const base::TimeDelta polling_interval_;
-
-  // Records the time at which the finder began searching for connections.
-  base::TimeTicks start_time_;
-
-  // The callback that should be called upon a successful connection.
-  ConnectionCallback connection_callback_;
-
-  // The Bluetooth adapter over which the Bluetooth connection will be made.
-  scoped_refptr<device::BluetoothAdapter> adapter_;
-
-  // The Bluetooth connection that will be opened.
-  scoped_ptr<Connection> connection_;
-
-  // Whether there is currently a polling task scheduled.
-  bool has_delayed_poll_scheduled_;
-
-  // Used to schedule everything else.
-  base::WeakPtrFactory<BluetoothConnectionFinder> weak_ptr_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothConnectionFinder);
-};
-
-// TODO(isherman): Make sure to wire up the controller to listen for screen lock
-// state change events, and create or destroy the connection finder as
-// appropriate.
-
-}  // namespace proximity_auth
-
-#endif  // COMPONENTS_PROXIMITY_AUTH_BLUETOOTH_CONNECTION_FINDER_H