bluetooth: Add characteristicvaluechanged event

content/renderer/bluetooth/web_bluetooth_impl.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 CONTENT_CHILD_BLUETOOTH_WEB_BLUETOOTH_IMPL_H_
 #define CONTENT_CHILD_BLUETOOTH_WEB_BLUETOOTH_IMPL_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 40 matching lines @@
                   blink::WebBluetoothWriteValueCallbacks*) override;
   void startNotifications(const blink::WebString& characteristic_instance_id,
                           blink::WebBluetoothGATTCharacteristic* characteristic,
                           blink::WebBluetoothNotificationsCallbacks*) override;
   void stopNotifications(const blink::WebString& characteristic_instance_id,
                          blink::WebBluetoothGATTCharacteristic* characteristic,
                          blink::WebBluetoothNotificationsCallbacks*) override;
   void characteristicObjectRemoved(
       const blink::WebString& characteristic_instance_id,
       blink::WebBluetoothGATTCharacteristic* characteristic) override;
+  void registerCharacteristicObject(
+      const blink::WebString& characteristic_instance_id,
+      blink::WebBluetoothGATTCharacteristic* characteristic) override;
 
  private:
   BluetoothDispatcher* GetDispatcher();
 
   const scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   const int frame_routing_id_;
 
   DISALLOW_COPY_AND_ASSIGN(WebBluetoothImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BLUETOOTH_WEB_BLUETOOTH_IMPL_H_