device/bluetooth: Improvements to GATT descriptor access API.

device/bluetooth/test/mock_bluetooth_gatt_characteristic.h

 // Copyright 2014 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.
 
 #ifndef DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_GATT_CHARACTERISTIC_H_
 #define DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_GATT_CHARACTERISTIC_H_
 
 #include <string>
+#include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "device/bluetooth/bluetooth_gatt_characteristic.h"
 #include "device/bluetooth/bluetooth_uuid.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 namespace device {
 
 class BluetoothGattDescriptor;
@@ skipping 11 matching lines @@
   virtual ~MockBluetoothGattCharacteristic();
 
   MOCK_CONST_METHOD0(GetIdentifier, std::string());
   MOCK_CONST_METHOD0(GetUUID, BluetoothUUID());
   MOCK_CONST_METHOD0(IsLocal, bool());
   MOCK_CONST_METHOD0(GetValue, const std::vector<uint8>&());
   MOCK_CONST_METHOD0(GetService, BluetoothGattService*());
   MOCK_CONST_METHOD0(GetProperties, Properties());
   MOCK_CONST_METHOD0(GetPermissions, Permissions());
   MOCK_CONST_METHOD0(GetDescriptors, std::vector<BluetoothGattDescriptor*>());
+  MOCK_CONST_METHOD1(GetDescriptor,
+                     BluetoothGattDescriptor*(const std::string&));
   MOCK_METHOD1(AddDescriptor, bool(BluetoothGattDescriptor*));
   MOCK_METHOD1(UpdateValue, bool(const std::vector<uint8>&));
   MOCK_METHOD2(ReadRemoteCharacteristic,
                void(const ValueCallback&, const ErrorCallback&));
   MOCK_METHOD3(WriteRemoteCharacteristic,
                void(const std::vector<uint8>&,
                     const base::Closure&,
                     const ErrorCallback&));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockBluetoothGattCharacteristic);
 };
 
 }  // namespace device
 
 #endif  // DEVICE_BLUETOOTH_TEST_MOCK_BLUETOOTH_GATT_CHARACTERISTIC_H_