bluetooth: Subscribe to notifications

third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h

Index: third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h
diff --git a/third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h b/third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h
index 1cd90fbb5e32a6b0aeb3df32fff5b61f32d9ac2e..445c074a22a4dfbc95f93e6b73bf53972379fb6f 100644
--- a/third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h
+++ b/third_party/WebKit/public/platform/modules/bluetooth/WebBluetooth.h
@@ -14,6 +14,8 @@
 
 namespace blink {
 
+class WebBluetoothGATTCharacteristic;
+
 struct WebBluetoothDevice;
 struct WebBluetoothGATTCharacteristicInit;
 struct WebBluetoothGATTRemoteServer;
@@ -38,6 +40,10 @@ using WebBluetoothReadValueCallbacks = WebCallbacks<const WebVector<uint8_t>&, c
 // Success and failure callbacks for writeValue.
 using WebBluetoothWriteValueCallbacks = WebCallbacks<void, const WebBluetoothError&>;
 
+// Success and failure callbacks for characteristic.startNotifications and
+// characteristic.stopNotifications.
+using WebBluetoothNotificationsCallbacks = WebCallbacks<void, const WebBluetoothError&>;
+
 class WebBluetooth {
 public:
     virtual ~WebBluetooth() { }
@@ -74,6 +80,15 @@ public:
     virtual void writeValue(const WebString& characteristicInstanceID,
         const std::vector<uint8_t>& value,
         WebBluetoothWriteValueCallbacks*) { }
+    virtual void startNotifications(const WebString& characteristicInstanceID,
+        WebBluetoothGATTCharacteristic*,
+        WebBluetoothNotificationsCallbacks*) {}
+    virtual void stopNotifications(const WebString& characteristicInstanceID,
+        WebBluetoothGATTCharacteristic*,
+        WebBluetoothNotificationsCallbacks*) {}
+    virtual void characteristicObjectRemoved(
+        const WebString& characteristicInstanceID,
+        WebBluetoothGATTCharacteristic*) {}
 };
 
 } // namespace blink