Implement //device/bt changes for notifications.

device/bluetooth/bluez/bluetooth_local_gatt_characteristic_bluez.cc

 // Copyright 2016 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/bluez/bluetooth_local_gatt_characteristic_bluez.h"
 
+#include <cstdint>

[xiyuan, 2016/05/12 19:49:43]

nit: Do we still need a header when it is already included?

[rkc, 2016/05/12 20:12:49]

Not sure why eclipse's IWYU tool keeps putting it back.
Removed.

 #include <string>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
+#include "dbus/object_path.h"
+#include "device/bluetooth/bluetooth_gatt_characteristic.h"
+#include "device/bluetooth/bluez/bluetooth_adapter_bluez.h"
+#include "device/bluetooth/bluez/bluetooth_gatt_service_bluez.h"
 #include "device/bluetooth/bluez/bluetooth_local_gatt_service_bluez.h"
 
 namespace device {
 
 // static
 base::WeakPtr<device::BluetoothLocalGattCharacteristic>
 BluetoothLocalGattCharacteristic::Create(
     const device::BluetoothUUID& uuid,
     device::BluetoothGattCharacteristic::Properties properties,
     device::BluetoothGattCharacteristic::Permissions permissions,
@@ skipping 39 matching lines @@
 BluetoothLocalGattCharacteristicBlueZ::GetProperties() const {
   return properties_;
 }
 
 device::BluetoothGattCharacteristic::Permissions
 BluetoothLocalGattCharacteristicBlueZ::GetPermissions() const {
   NOTIMPLEMENTED();
   return Permissions();
 }
 
+device::BluetoothLocalGattCharacteristic::NotificationStatus
+BluetoothLocalGattCharacteristicBlueZ::NotifyValueChanged(
+    const std::vector<uint8_t>& new_value,
+    bool indicate) {
+  if (indicate && !(properties_ & PROPERTY_INDICATE))
+    return INDICATE_PROPERTY_NOT_SET;
+  if (!indicate && !(properties_ & PROPERTY_NOTIFY))
+    return NOTIFY_PROPERTY_NOT_SET;
+  DCHECK(service_);
+  return service_->GetAdapter()->SendValueChanged(this, new_value)
+             ? NOTIFICATION_SUCCESS
+             : SERVICE_NOT_REGISTERED;
+}
+
 BluetoothLocalGattServiceBlueZ*
 BluetoothLocalGattCharacteristicBlueZ::GetService() {
   return service_;
 }
 
 void BluetoothLocalGattCharacteristicBlueZ::AddDescriptor(
     std::unique_ptr<BluetoothLocalGattDescriptorBlueZ> descriptor) {
   descriptors_.push_back(std::move(descriptor));
 }
 
 const std::vector<std::unique_ptr<BluetoothLocalGattDescriptorBlueZ>>&
 BluetoothLocalGattCharacteristicBlueZ::GetDescriptors() const {
   return descriptors_;
 }
 
 }  // namespace bluez