bluetooth: Subscribe to notifications

content/renderer/bluetooth/bluetooth_dispatcher.h

Index: content/renderer/bluetooth/bluetooth_dispatcher.h
diff --git a/content/renderer/bluetooth/bluetooth_dispatcher.h b/content/renderer/bluetooth/bluetooth_dispatcher.h
index 4109414400c2bd31b62e9309db61f11cbd7e9227..938c169d69ed50ae3628c77a571866978054ab39 100644
--- a/content/renderer/bluetooth/bluetooth_dispatcher.h
+++ b/content/renderer/bluetooth/bluetooth_dispatcher.h
@@ -69,6 +69,10 @@ class BluetoothDispatcher : public WorkerThread::Observer {
   void writeValue(const blink::WebString& characteristic_instance_id,
                   const std::vector<uint8_t>& value,
                   blink::WebBluetoothWriteValueCallbacks*);
+  void startNotifications(const blink::WebString& characteristic_instance_id,
+                          blink::WebBluetoothStartNotificationsCallbacks*);
+  void stopNotifications(const blink::WebString& characteristic_instance_id,
+                         blink::WebBluetoothStopNotificationsCallbacks*);
 
   // WorkerThread::Observer implementation.
   void WillStopCurrentWorkerThread() override;
@@ -112,6 +116,11 @@ class BluetoothDispatcher : public WorkerThread::Observer {
   void OnWriteValueError(int thread_id,
                          int request_id,
                          blink::WebBluetoothError error);
+  void OnStartNotificationsSuccess(int thread_id, int request_id);
+  void OnStartNotificationsError(int thread_id,
+                                 int request_id,
+                                 blink::WebBluetoothError error);
+  void OnStopNotificationsSuccess(int thread_id, int request_id);
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
 
@@ -135,6 +144,12 @@ class BluetoothDispatcher : public WorkerThread::Observer {
       pending_read_value_requests_;
   IDMap<blink::WebBluetoothWriteValueCallbacks, IDMapOwnPointer>
       pending_write_value_requests_;
+  // Tracks requests to start notifications from a characteristic.
+  IDMap<blink::WebBluetoothStartNotificationsCallbacks, IDMapOwnPointer>
+      pending_start_notifications_requests_;
+  // Tracks requests to stop notifications from a characteristic.
+  IDMap<blink::WebBluetoothStopNotificationsCallbacks, IDMapOwnPointer>
+      pending_stop_notifications_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothDispatcher);
 };