Revert of Added bluetooth LE support on Mac platform

device/bluetooth/bluetooth_low_energy_discovery_manager_mac.h

-// Copyright 2015 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 DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
-#define DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_
-
-#if defined(OS_IOS)
-#import <CoreBluetooth/CoreBluetooth.h>
-#else
-#import <IOBluetooth/IOBluetooth.h>
-#endif
-
-#include "base/mac/scoped_nsobject.h"
-#include "base/mac/sdk_forward_declarations.h"
-#include "device/bluetooth/bluetooth_device.h"
-
-@class BluetoothLowEnergyDiscoveryManagerMacBridge;
-
-namespace device {
-
-class BluetoothLowEnergyDeviceMac;
-class BluetoothLowEnergyDiscoveryManagerMacDelegate;
-
-// This class will scan for Bluetooth LE device on Mac.
-class BluetoothLowEnergyDiscoveryManagerMac {
- public:
-  // Interface for being notified of events during a device discovery session.
-  class Observer {
-   public:
-    // Called when |this| manager has found a device.
-    virtual void DeviceFound(BluetoothLowEnergyDeviceMac* device) = 0;
-
-    // Called when |this| manager has updated on a device.
-    virtual void DeviceUpdated(BluetoothLowEnergyDeviceMac* device) = 0;
-
-   protected:
-    virtual ~Observer() {}
-  };
-
-  virtual ~BluetoothLowEnergyDiscoveryManagerMac();
-
-  // Returns true, if discovery is currently being performed.
-  virtual bool IsDiscovering() const;
-
-  // Initiates a discovery session.
-  // BluetoothLowEnergyDeviceMac objects discovered within a previous
-  // discovery session will be invalid.
-  virtual void StartDiscovery(BluetoothDevice::UUIDList services_uuids);
-
-  // Stops a discovery session.
-  virtual void StopDiscovery();
-
-  // Returns a new BluetoothLowEnergyDiscoveryManagerMac.
-  static BluetoothLowEnergyDiscoveryManagerMac* Create(Observer* observer);
-
- protected:
-  // Called when a discovery or an update of a BLE device occurred.
-  virtual void DiscoveredPeripheral(CBPeripheral* peripheral,
-                                    NSDictionary* advertisementData,
-                                    int rssi);
-
-  // The device discovery can really be started when Bluetooth is powered on.
-  // The method TryStartDiscovery() is called when it's a good time to try to
-  // start the BLE device discovery. It will check if the discovery session has
-  // been started and if the Bluetooth is powered and then really start the
-  // CoreBluetooth BLE device discovery.
-  virtual void TryStartDiscovery();
-
- private:
-  explicit BluetoothLowEnergyDiscoveryManagerMac(Observer* observer);
-  void ClearDevices();
-
-  friend class BluetoothLowEnergyDiscoveryManagerMacDelegate;
-
-  // Observer interested in notifications from us.
-  Observer* observer_;
-
-  // Underlaying CoreBluetooth central manager.
-  base::scoped_nsobject<CBCentralManager> manager_;
-
-  // Discovery has been initiated by calling the API StartDiscovery().
-  bool discovering_;
-
-  // A discovery has been initiated but has not started yet because it's
-  // waiting for Bluetooth to turn on.
-  bool pending_;
-
-  // Delegate of the central manager.
-  base::scoped_nsobject<BluetoothLowEnergyDiscoveryManagerMacBridge> bridge_;
-
-  // Map of the device identifiers to the discovered device.
-  std::map<const std::string, BluetoothLowEnergyDeviceMac*> devices_;
-
-  // List of service UUIDs to scan.
-  BluetoothDevice::UUIDList services_uuids_;
-
-  DISALLOW_COPY_AND_ASSIGN(BluetoothLowEnergyDiscoveryManagerMac);
-};
-
-}  // namespace device
-
-#endif  // DEVICE_BLUETOOTH_BLUETOOTH_LOW_ENERGY_DISCOVERY_MANAGER_MAC_H_