bluetooth: android: Implement Characteristic GetIdentifier, fix Service IDs too.

device/bluetooth/bluetooth_remote_gatt_characteristic_android.cc

 // 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_remote_gatt_characteristic_android.h"
 
 #include "base/logging.h"
 
 namespace device {
 
 // static
 scoped_ptr<BluetoothRemoteGattCharacteristicAndroid>
-BluetoothRemoteGattCharacteristicAndroid::Create() {
+BluetoothRemoteGattCharacteristicAndroid::Create(
+    const std::string& instanceId) {
   return make_scoped_ptr<BluetoothRemoteGattCharacteristicAndroid>(
-      new BluetoothRemoteGattCharacteristicAndroid());
+      new BluetoothRemoteGattCharacteristicAndroid(instanceId));
 }
 
 BluetoothRemoteGattCharacteristicAndroid::
     ~BluetoothRemoteGattCharacteristicAndroid() {}
 
 std::string BluetoothRemoteGattCharacteristicAndroid::GetIdentifier() const {
-  NOTIMPLEMENTED();
-  return "";
+  return instanceId_;
 }
 
 BluetoothUUID BluetoothRemoteGattCharacteristicAndroid::GetUUID() const {
   NOTIMPLEMENTED();
   return BluetoothUUID();
 }
 
 bool BluetoothRemoteGattCharacteristicAndroid::IsLocal() const {
   return false;
 }
@@ skipping 65 matching lines @@
 }
 
 void BluetoothRemoteGattCharacteristicAndroid::WriteRemoteCharacteristic(
     const std::vector<uint8>& new_value,
     const base::Closure& callback,
     const ErrorCallback& error_callback) {
   NOTIMPLEMENTED();
 }
 
 BluetoothRemoteGattCharacteristicAndroid::
-    BluetoothRemoteGattCharacteristicAndroid() {}
+    BluetoothRemoteGattCharacteristicAndroid(const std::string& instanceId)
+    : instanceId_(instanceId) {}
 
 }  // namespace device