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

device/bluetooth/dbus/fake_bluetooth_gatt_characteristic_service_provider.h

 // 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.
 
 #ifndef DEVICE_BLUETOOTH_DBUS_FAKE_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_
 #define DEVICE_BLUETOOTH_DBUS_FAKE_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_
 
 #include <stdint.h>
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback_forward.h"
 #include "base/macros.h"
 #include "dbus/object_path.h"
 #include "device/bluetooth/bluetooth_export.h"
 #include "device/bluetooth/bluetooth_local_gatt_service.h"
-#include "device/bluetooth/bluez/bluetooth_local_gatt_service_bluez.h"
+#include "device/bluetooth/dbus/bluetooth_gatt_attribute_value_delegate.h"
 #include "device/bluetooth/dbus/bluetooth_gatt_characteristic_service_provider.h"
 
 namespace bluez {
 
 // FakeBluetoothGattCharacteristicServiceProvider simulates behavior of a local
 // GATT characteristic object and is used both in test cases in place of a mock
 // and on the Linux desktop.
 class DEVICE_BLUETOOTH_EXPORT FakeBluetoothGattCharacteristicServiceProvider
     : public BluetoothGattCharacteristicServiceProvider {
  public:
   FakeBluetoothGattCharacteristicServiceProvider(
       const dbus::ObjectPath& object_path,
       std::unique_ptr<BluetoothGattAttributeValueDelegate> delegate,
       const std::string& uuid,
       const std::vector<std::string>& flags,
       const dbus::ObjectPath& service_path);
   ~FakeBluetoothGattCharacteristicServiceProvider() override;
 
   // BluetoothGattCharacteristicServiceProvider override.
-  void SendValueChanged(const std::vector<uint8_t>& value) override;
+  void SendValueChanged(const dbus::ObjectPath& device_path,
+                        const std::vector<uint8_t>& value,
+                        bool indicate) override;
 
   // Methods to simulate value get/set requests issued from a remote device. The
   // methods do nothing, if the associated service was not registered with the
   // GATT manager.
   void GetValue(
       const dbus::ObjectPath& device_path,
       const device::BluetoothLocalGattService::Delegate::ValueCallback&
           callback,
       const device::BluetoothLocalGattService::Delegate::ErrorCallback&
           error_callback);
   void SetValue(
       const dbus::ObjectPath& device_path,
       const std::vector<uint8_t>& value,
       const base::Closure& callback,
       const device::BluetoothLocalGattService::Delegate::ErrorCallback&
           error_callback);
 
   // Method to simulate starting and stopping notifications.
   bool NotificationsChange(bool start);
 
   const dbus::ObjectPath& object_path() const override;
   const std::string& uuid() const { return uuid_; }
   const dbus::ObjectPath& service_path() const { return service_path_; }
-  const std::vector<uint8_t>& sent_value() const { return sent_value_; }
+  const dbus::ObjectPath& last_device_path() const { return last_device_path_; }
+  const std::vector<uint8_t>& last_value() const { return last_value_; }
+  const bool& last_indicate_flag() const { return last_indicate_flag_; }
 
  private:
   // D-Bus object path of the fake GATT characteristic.
   dbus::ObjectPath object_path_;
 
   // 128-bit GATT characteristic UUID.
   const std::string uuid_;
 
   // Properties for this characteristic.
   const std::vector<std::string> flags_;
 
   // Object path of the service that this characteristic belongs to.
   const dbus::ObjectPath service_path_;
 
-  // Value that was sent to the fake remote device.
-  std::vector<uint8_t> sent_value_;
+  // Last device that sent a value.
+  dbus::ObjectPath last_device_path_;
+  // Last value that was sent to the fake remote device.
+  std::vector<uint8_t> last_value_;
+  // Last value of the indicate flag used when sending a notification.
+  bool last_indicate_flag_;
 
   // The delegate that method calls are passed on to.
   std::unique_ptr<BluetoothGattAttributeValueDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeBluetoothGattCharacteristicServiceProvider);
 };
 
 }  // namespace bluez
 
 #endif  // DEVICE_BLUETOOTH_DBUS_FAKE_BLUETOOTH_GATT_CHARACTERISTIC_SERVICE_PROVIDER_H_