device/bluetooth: Update GATT descriptor value D-Bus bindings.

device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.cc

 // 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.
 
 #include "device/bluetooth/bluetooth_remote_gatt_characteristic_chromeos.h"
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "device/bluetooth/bluetooth_remote_gatt_descriptor_chromeos.h"
@@ skipping 250 matching lines @@
   descriptors_.erase(iter);
 
   service_->NotifyDescriptorAddedOrRemoved(this, descriptor, false /* added */);
   delete descriptor;
 
   DCHECK(service_);
 
   service_->NotifyServiceChanged();
 }
 
-void BluetoothRemoteGattCharacteristicChromeOS::GattDescriptorPropertyChanged(
-    const dbus::ObjectPath& object_path,
-    const std::string& property_name) {
-  DescriptorMap::const_iterator iter = descriptors_.find(object_path);
-  if (iter == descriptors_.end())
-    return;
-
-  // Ignore all property changes except for "Value".
-  BluetoothGattDescriptorClient::Properties* properties =
-      DBusThreadManager::Get()->GetBluetoothGattDescriptorClient()->
-          GetProperties(object_path);
-  DCHECK(properties);
-  if (property_name != properties->value.name())
-    return;
-
-  VLOG(1) << "GATT descriptor property changed: " << object_path.value()
-          << ", property: " << property_name;
-
-  DCHECK(service_);
-
-  service_->NotifyDescriptorValueChanged(
-      this, iter->second, properties->value.value());
-}
-
 void BluetoothRemoteGattCharacteristicChromeOS::OnValueSuccess(
     const ValueCallback& callback,
     const std::vector<uint8>& value) {
   VLOG(1) << "Characteristic value read: " << value;
   cached_value_ = value;
 
   DCHECK(service_);
   service_->NotifyCharacteristicValueChanged(this, cached_value_);
 
   callback.Run(value);
 }
 
 void BluetoothRemoteGattCharacteristicChromeOS::OnError(
     const ErrorCallback& error_callback,
     const std::string& error_name,
     const std::string& error_message) {
   VLOG(1) << "Operation failed: " << error_name << ", message: "
           << error_message;
   error_callback.Run();
 }
 
 }  // namespace chromeos