bluetooth: macOS: Removing useless |.get()|

device/bluetooth/test/mock_bluetooth_cbdescriptor_mac.mm

 // Copyright 2017 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/test/mock_bluetooth_cbdescriptor_mac.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/scoped_nsobject.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 
@@ skipping 30 matching lines @@
 
 - (BOOL)isMemberOfClass:(Class)aClass {
   if (aClass == [CBDescriptor class] ||
       [aClass isSubclassOfClass:[CBDescriptor class]]) {
     return YES;
   }
   return [super isKindOfClass:aClass];
 }
 
 - (CBUUID*)UUID {
-  return _UUID.get();
+  return _UUID;
 }
 
 - (NSData*)value {
-  return _value.get();
+  return _value;
 }
 
 - (CBDescriptor*)descriptor {
   return ObjCCast<CBDescriptor>(self);
 }
 
 - (CBCharacteristic*)characteristic {
   return _characteristic;
 }
 
 - (void)simulateReadWithValue:(id)value error:(NSError*)error {
   _value.reset([value copy]);
   CBPeripheral* peripheral = _characteristic.service.peripheral;
   [peripheral.delegate peripheral:peripheral
       didUpdateValueForDescriptor:self.descriptor
                             error:error];
 }
 
 - (void)simulateWriteWithError:(NSError*)error {
   CBPeripheral* peripheral = _characteristic.service.peripheral;
   [peripheral.delegate peripheral:peripheral
        didWriteValueForDescriptor:self.descriptor
                             error:error];
 }
 
 @end