Move CBCentralManager from the Discovery Manager to Adapter

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 or an update on a device.
     virtual void LowEnergyDeviceUpdated(CBPeripheral* peripheral,
                                         NSDictionary* advertisementData,
                                         int rssi) = 0;
@@ skipping 11 matching lines @@
   // 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);
 
+  virtual void SetCentralManager(CBCentralManager* central_manager);
+
  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);
 
-  // Private method for testing.  Resets |manager_| to |manager| and set
-  // |bridge_| as its delegate.  Only for use on OSX 10.7 or later, where
-  // CoreBluetooth is available.
-  virtual void SetManagerForTesting(CBCentralManager* manager);
-
-  friend class BluetoothLowEnergyDiscoveryManagerMacDelegate;
   friend class BluetoothAdapterMacTest;
+  friend class BluetoothLowEnergyCentralManagerBridge;
 
   // Observer interested in notifications from us.
   Observer* observer_;
 
-  // Underlying CoreBluetooth central manager.
-  base::scoped_nsobject<CBCentralManager> manager_;
+  // Underlying CoreBluetooth central manager, owned by |observer_|.
+  CBCentralManager* central_manager_ = nil;
 
   // 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_;
-
   // 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_