Implementing GATT connection/disconnect on OS X.

device/bluetooth/test/mock_bluetooth_central_manager_mac.mm

 // 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.
 
 #import "mock_bluetooth_central_manager_mac.h"
 
+#import "mock_bluetooth_cbperipheral_mac.h"
+
 @implementation MockCentralManager
 
 @synthesize scanForPeripheralsCallCount = _scanForPeripheralsCallCount;
 @synthesize stopScanCallCount = _stopScanCallCount;
 @synthesize delegate = _delegate;
 @synthesize state = _state;
+@synthesize connectPeripheralCallCount = _connectPeripheralCallCount;
 
 - (void)scanForPeripheralsWithServices:(NSArray*)serviceUUIDs
                                options:(NSDictionary*)options {
   _scanForPeripheralsCallCount++;
 }
 
 - (void)stopScan {
   _stopScanCallCount++;
 }
 
+- (void)connectPeripheral:(CBPeripheral*)peripheral
+                  options:(NSDictionary*)options {
+  _connectPeripheralCallCount++;
+}
+
+- (void)cancelPeripheralConnection:(CBPeripheral*)peripheral {
+  MockCBPeripheral* mockPeripheral = (MockCBPeripheral*)peripheral;
+  [mockPeripheral setStateForTesting:CBPeripheralStateDisconnected];
+}
+
 @end