BluetoothTest.* tests in bluetooth_device_unittests.cc run on Mac

device/bluetooth/bluetooth_low_energy_device_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.
 
 #include "device/bluetooth/bluetooth_low_energy_device_mac.h"
 
 #import <CoreFoundation/CoreFoundation.h>
 
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
@@ skipping 56 matching lines @@
     advertised_uuids_.push_back(
         BluetoothUUID(std::string([[uuid UUIDString] UTF8String])));
   }
 }
 
 std::string BluetoothLowEnergyDeviceMac::GetIdentifier() const {
   return identifier_;
 }
 
 uint32 BluetoothLowEnergyDeviceMac::GetBluetoothClass() const {
-  return 0;
+  return 0x1F00;  // Unspecified Device Class
 }
 
 std::string BluetoothLowEnergyDeviceMac::GetAddress() const {
   return hash_address_;
 }
 
 BluetoothDevice::VendorIDSource BluetoothLowEnergyDeviceMac::GetVendorIDSource()
     const {
   return VENDOR_ID_UNKNOWN;
 }
@@ skipping 151 matching lines @@
       instanceMethodSignatureForSelector:@selector(state)] retain]);
   base::scoped_nsobject<NSInvocation> invocation(
       [[NSInvocation invocationWithMethodSignature:signature] retain]);
   [invocation setTarget:peripheral_];
   [invocation setSelector:@selector(state)];
   [invocation invoke];
   CBPeripheralState state = CBPeripheralStateDisconnected;
   [invocation getReturnValue:&state];
   return state;
 }