bluetooth: Add characteristics to the device's attribute instance map

third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.cpp

Index: third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.cpp
diff --git a/third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.cpp b/third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.cpp
index 2fbb88fd7f6e473e0d698cea5b1e1e263972ef98..36592550950446d5f3d220970c2dbcfdd86a2be7 100644
--- a/third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.cpp
+++ b/third_party/WebKit/Source/modules/bluetooth/BluetoothDevice.cpp
@@ -14,6 +14,7 @@
 #include "modules/bluetooth/BluetoothRemoteGATTServer.h"
 #include "modules/bluetooth/BluetoothSupplement.h"
 #include "public/platform/modules/bluetooth/WebBluetooth.h"
+#include "public/platform/modules/bluetooth/WebBluetoothRemoteGATTCharacteristicInit.h"
 #include <memory>
 #include <utility>
 
@@ -49,6 +50,15 @@ bool BluetoothDevice::isValidService(const String& serviceInstanceId) {
   return m_attributeInstanceMap->containsService(serviceInstanceId);
 }
 
+BluetoothRemoteGATTCharacteristic*
+BluetoothDevice::getOrCreateBluetoothRemoteGATTCharacteristic(
+    ExecutionContext* context,
+    std::unique_ptr<WebBluetoothRemoteGATTCharacteristicInit> webCharacteristic,
+    BluetoothRemoteGATTService* service) {
+  return m_attributeInstanceMap->getOrCreateBluetoothRemoteGATTCharacteristic(
+      context, std::move(webCharacteristic), service);
+}
+
 void BluetoothDevice::dispose() {
   disconnectGATTIfConnected();
 }