bluetooh: Define new connectGATT and WebBluetoothGATTRemoteServer

public/platform/modules/bluetooth/WebBluetoothGATTRemoteServer.h

+// Copyright 2015 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 WebBluetoothGATTRemoteServer_h
+#define WebBluetoothGATTRemoteServer_h
+
+#include "public/platform/WebString.h"
+
+namespace blink {
+
+struct WebBluetoothGATTRemoteServer {
+    WebBluetoothGATTRemoteServer(const WebString& deviceInstanceID,
+        bool connected)
+        : deviceInstanceID(deviceInstanceID)
+        , connected(connected)
+    {
+    }
+
+    // Members corresponding to BluetoothGATTRemoteServer attributes as
+    // specified in the IDL.
+    const WebString deviceInstanceID;
+    const bool connected;
+};
+
+} // namespace blink
+
+#endif // WebBluetoothGATTRemoteServer_h