Implementing GATT connection/disconnect on OS X.

device/bluetooth/bluetooth_adapter_mac_unittest.mm

 // Copyright 2013 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.
 
 #include "base/bind.h"
 #include "base/memory/ref_counted.h"
 #include "base/test/test_simple_task_runner.h"
 #include "build/build_config.h"
 #include "device/bluetooth/bluetooth_adapter.h"
 #include "device/bluetooth/bluetooth_adapter_mac.h"
@@ skipping 101 matching lines @@
   void RemoveTimedOutDevices() { adapter_mac_->RemoveTimedOutDevices(); }
 
   bool SetMockCentralManager(CBCentralManagerState desired_state) {
     if (!BluetoothAdapterMac::IsLowEnergyAvailable()) {
       LOG(WARNING) << "Low Energy Bluetooth unavailable, skipping unit test.";
       return false;
     }
     mock_central_manager_ = [[MockCentralManager alloc] init];
     [mock_central_manager_ setState:desired_state];
     adapter_mac_->SetCentralManagerForTesting(mock_central_manager_);
+    [mock_central_manager_ release];

[msarda, 2016/02/11 10:55:38]

In Chromium, you should not call release on an objective-c objects directly. Use
instead base::scope_nsobject

[jlebel, 2016/02/19 11:02:35]

Done.

     return true;
   }
 
   void AddDiscoverySession(BluetoothDiscoveryFilter* discovery_filter) {
     adapter_mac_->AddDiscoverySession(
         discovery_filter,
         base::Bind(&BluetoothAdapterMacTest::Callback, base::Unretained(this)),
         base::Bind(&BluetoothAdapterMacTest::DiscoveryErrorCallback,
                    base::Unretained(this)));
   }
@@ skipping 193 matching lines @@
   EXPECT_EQ(1, NumDevices());
   EXPECT_TRUE(DevicePresent(mock_peripheral));
 
   // Check that object pointed to by |device| is deleted by the adapter.
   RemoveTimedOutDevices();
   EXPECT_EQ(0, NumDevices());
   EXPECT_FALSE(DevicePresent(mock_peripheral));
 }
 
 }  // namespace device