bluetooth: Implement hardware filtering on macOS

device/bluetooth/test/mock_bluetooth_central_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_MOCK_BLUETOOTH_CENTRAL_MANAGER_MAC_H_
 #define DEVICE_BLUETOOTH_MOCK_BLUETOOTH_CENTRAL_MANAGER_MAC_H_
 
+#include "base/mac/scoped_nsobject.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "build/build_config.h"
 #include "device/bluetooth/test/bluetooth_test_mac.h"
 
 #import <CoreBluetooth/CoreBluetooth.h>
 
 // Class to mock a CBCentralManager. Cannot use a OCMockObject because mocking
 // the 'state' property gives a compiler warning when mock_central_manager is of
 // type id (multiple methods named 'state' found), and a compiler warning when
 // mock_central_manager is of type CBCentralManager (CBCentralManager may not
 // respond to 'stub').
-@interface MockCentralManager : NSObject
+@interface MockCentralManager : NSObject {
+ @private
+  base::scoped_nsobject<NSArray> scan_uuids_;
+}
 
 @property(nonatomic, assign) NSInteger scanForPeripheralsCallCount;
 @property(nonatomic, assign) NSInteger stopScanCallCount;
 @property(nonatomic, assign) id<CBCentralManagerDelegate> delegate;
 @property(nonatomic, assign) CBCentralManagerState state;
 @property(nonatomic, assign) device::BluetoothTestMac* bluetoothTestMac;
+@property(nonatomic, copy, readonly) NSArray* scan_uuids;
 
 - (void)scanForPeripheralsWithServices:(NSArray*)serviceUUIDs
                                options:(NSDictionary*)options;
 
 - (void)stopScan;
 
 - (void)connectPeripheral:(CBPeripheral*)peripheral
                   options:(NSDictionary*)options;
 
+- (void)resetEventCounts;
+
 @end
 
 #endif  // DEVICE_BLUETOOTH_MOCK_BLUETOOTH_CENTRAL_MANAGER_MAC_H_