Implement BluetoothRemoteGattCharacteristicWin::StartNotifySession and related unit tests

device/bluetooth/bluetooth_gatt_notify_session_win.cc

Index: device/bluetooth/bluetooth_gatt_notify_session_win.cc
diff --git a/device/bluetooth/bluetooth_gatt_notify_session_win.cc b/device/bluetooth/bluetooth_gatt_notify_session_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7da78c46813b536c4e70a7bed23cdf4f09256b90
--- /dev/null
+++ b/device/bluetooth/bluetooth_gatt_notify_session_win.cc
@@ -0,0 +1,28 @@
+// 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/bluetooth_gatt_notify_session_win.h"
+
+namespace device {
+BluetoothGattNotifySessionWin::BluetoothGattNotifySessionWin(
+    base::WeakPtr<BluetoothRemoteGattCharacteristicWin> characteristic)
+    : characteristic_(characteristic) {}
+
+BluetoothGattNotifySessionWin::~BluetoothGattNotifySessionWin() {}
+
+std::string BluetoothGattNotifySessionWin::GetCharacteristicIdentifier() const {
+  if (characteristic_.get() != nullptr)

[ortuno, 2016/03/15 02:55:31]

You don't need the "!= nullptr", characteristic_.get() should be enough.

[gogerald1, 2016/03/15 18:28:22]

Done.

+    return characteristic_.get()->GetIdentifier();
+  return std::string();
+}
+
+bool BluetoothGattNotifySessionWin::IsActive() {
+  return characteristic_.get() != nullptr;
+}
+
+void BluetoothGattNotifySessionWin::Stop(const base::Closure& callback) {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace device