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

device/bluetooth/dbus/fake_bluetooth_gatt_characteristic_service_provider.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/dbus/fake_bluetooth_gatt_characteristic_service_provider.h"
 
 #include <algorithm>
 #include <iterator>
 
 #include "base/callback.h"
@@ skipping 88 matching lines @@
   VLOG(1) << "Cleaning up Bluetooth GATT characteristic: "
           << object_path_.value();
   FakeBluetoothGattManagerClient* fake_bluetooth_gatt_manager_client =
       static_cast<FakeBluetoothGattManagerClient*>(
           bluez::BluezDBusManager::Get()->GetBluetoothGattManagerClient());
   fake_bluetooth_gatt_manager_client->UnregisterCharacteristicServiceProvider(
       this);
 }
 
 void FakeBluetoothGattCharacteristicServiceProvider::SendValueChanged(
-    const std::vector<uint8_t>& value) {
+    const dbus::ObjectPath& device_path,
+    const std::vector<uint8_t>& value,
+    bool indicate) {
   VLOG(1) << "Sent characteristic value changed: " << object_path_.value()
           << " UUID: " << uuid_;
-  sent_value_ = value;
+  last_device_path_ = device_path;
+  last_value_ = value;
+  last_indicate_flag_ = indicate;
 }
 
 void FakeBluetoothGattCharacteristicServiceProvider::GetValue(
     const dbus::ObjectPath& device_path,
     const device::BluetoothLocalGattService::Delegate::ValueCallback& callback,
     const device::BluetoothLocalGattService::Delegate::ErrorCallback&
         error_callback) {
   VLOG(1) << "GATT characteristic value Get request: " << object_path_.value()
           << " UUID: " << uuid_;
   // Check if this characteristic is registered.
@@ skipping 70 matching lines @@
 
   return true;
 }
 
 const dbus::ObjectPath&
 FakeBluetoothGattCharacteristicServiceProvider::object_path() const {
   return object_path_;
 }
 
 }  // namespace bluez