Add support in Chrome to send notifications to a specific device.

device/bluetooth/bluez/bluetooth_adapter_bluez.cc

 // Copyright 2013 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_adapter_bluez.h"
 
 #include <memory>
 #include <set>
 #include <string>
 #include <utility>
@@ skipping 1111 matching lines @@
   registered_gatt_services_.erase(service->object_path());
   UpdateRegisteredApplication(false, callback, error_callback);
 }
 
 bool BluetoothAdapterBlueZ::IsGattServiceRegistered(
     BluetoothLocalGattServiceBlueZ* service) {
   return registered_gatt_services_.count(service->object_path()) != 0;
 }
 
 bool BluetoothAdapterBlueZ::SendValueChanged(
+    const device::BluetoothDevice* device,
     BluetoothLocalGattCharacteristicBlueZ* characteristic,
-    const std::vector<uint8_t>& value) {
+    const std::vector<uint8_t>& value,
+    bool indicate) {
   if (registered_gatt_services_.count(
           static_cast<BluetoothLocalGattServiceBlueZ*>(
               characteristic->GetService())
               ->object_path()) == 0)
     return false;
-  gatt_application_provider_->SendValueChanged(characteristic->object_path(),
-                                               value);
+
+  dbus::ObjectPath device_path;
+  if (device) {
+    device_path =
+        static_cast<const BluetoothDeviceBlueZ*>(device)->object_path();
+  }
+
+  gatt_application_provider_->SendValueChanged(
+      device_path, characteristic->object_path(), value, indicate);
   return true;
 }
 
 dbus::ObjectPath BluetoothAdapterBlueZ::GetApplicationObjectPath() const {
   return dbus::ObjectPath(object_path_.value() + kGattApplicationObjectPath);
 }
 
 void BluetoothAdapterBlueZ::OnRegisterProfile(
     const BluetoothUUID& uuid,
     std::unique_ptr<BluetoothAdapterProfileBlueZ> profile) {
@@ skipping 476 matching lines @@
 
 void BluetoothAdapterBlueZ::RegisterApplicationOnError(
     const base::Closure& callback,
     const device::BluetoothGattService::ErrorCallback& error_callback,
     const std::string& /* error_name */,
     const std::string& /* error_message */) {
   RegisterApplication(callback, error_callback);
 }
 
 }  // namespace bluez