bluetooth: Move writeValue to mojo

third_party/WebKit/public/platform/modules/bluetooth/web_bluetooth.mojom

 // 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.
+
 module blink.mojom;
 
 // Errors that can occur during Web Bluetooth execution, which are transformed
 // to a DOMException in Source/modules/bluetooth/BluetoothError.cpp.
 //
 // These errors all produce constant message strings. If a particular message
 // needs a dynamic component, we should add a separate enum so type-checking the
 // IPC ensures the dynamic component is passed.
 enum WebBluetoothError {
   SUCCESS,
@@ skipping 47 matching lines @@
   REQUEST_DEVICE_WITH_BLACKLISTED_UUID,
   REQUEST_DEVICE_WITH_UNIQUE_ORIGIN,
   REQUEST_DEVICE_WITHOUT_FRAME,
   // SyntaxError:
   // TODO(ortuno): Remove once we no longer use IPC.
   ENUM_MAX_VALUE = REQUEST_DEVICE_WITHOUT_FRAME,
 };
 
 // TODO(ortuno): Define Bluetooth Service.
 // https://crbug.com/508771
+
+// Web Bluetooth Interface that Blink can use to perform
+// Bluetooth GATT Operations on Bluetooth Devices.
+interface WebBluetoothService {
+
+  // Writes a value to the characteristic with
+  // |characteristic_instance_id|. The callback is run with
+  // WebBluetoothError::SUCCESS if the value was successfully
+  // written.
+  RemoteCharacteristicWriteValue(
+    string characteristic_instance_id,
+    array<uint8> value) => (WebBluetoothError error);
+
+};