bluetooth: Refactor GetDescriptorForUUID to GetDescriptorsForUUID.

device/bluetooth/android/java/src/org/chromium/device/bluetooth/Wrappers.java

 // 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.
 
 package org.chromium.device.bluetooth;
 
 import android.Manifest;
 import android.annotation.TargetApi;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
@@ skipping 499 matching lines @@
     static class BluetoothGattCharacteristicWrapper {
         final BluetoothGattCharacteristic mCharacteristic;
         final BluetoothDeviceWrapper mDeviceWrapper;
 
         public BluetoothGattCharacteristicWrapper(
                 BluetoothGattCharacteristic characteristic, BluetoothDeviceWrapper deviceWrapper) {
             mCharacteristic = characteristic;
             mDeviceWrapper = deviceWrapper;
         }
 
-        public BluetoothGattDescriptorWrapper getDescriptor(UUID uuid) {
-            BluetoothGattDescriptor descriptor = mCharacteristic.getDescriptor(uuid);
-            if (descriptor == null) {
-                return null;
-            }
-
-            BluetoothGattDescriptorWrapper descriptorWrapper =
-                    mDeviceWrapper.mDescriptorsToWrappers.get(descriptor);
-
-            if (descriptorWrapper == null) {
-                descriptorWrapper = new BluetoothGattDescriptorWrapper(descriptor, mDeviceWrapper);
-                mDeviceWrapper.mDescriptorsToWrappers.put(descriptor, descriptorWrapper);
-            }
-            return descriptorWrapper;
-        }
-
         public List<BluetoothGattDescriptorWrapper> getDescriptors() {
             List<BluetoothGattDescriptor> descriptors = mCharacteristic.getDescriptors();
 
             ArrayList<BluetoothGattDescriptorWrapper> descriptorsWrapped =
                     new ArrayList<BluetoothGattDescriptorWrapper>(descriptors.size());
 
             for (BluetoothGattDescriptor descriptor : descriptors) {
                 BluetoothGattDescriptorWrapper descriptorWrapper =
                         mDeviceWrapper.mDescriptorsToWrappers.get(descriptor);
                 if (descriptorWrapper == null) {
@@ skipping 50 matching lines @@
 
         public byte[] getValue() {
             return mDescriptor.getValue();
         }
 
         public boolean setValue(byte[] value) {
             return mDescriptor.setValue(value);
         }
     }
 }