bluetooth: Remove deep copying of structs by using OwnPtr.

Source/modules/bluetooth/BluetoothGATTService.cpp

Index: Source/modules/bluetooth/BluetoothGATTService.cpp
diff --git a/Source/modules/bluetooth/BluetoothGATTService.cpp b/Source/modules/bluetooth/BluetoothGATTService.cpp
index 620b1bce5d390a9052d02a5dfc1e901028dadfa5..bbe5c0d7c54819e2a3362cb7e067272944072fa1 100644
--- a/Source/modules/bluetooth/BluetoothGATTService.cpp
+++ b/Source/modules/bluetooth/BluetoothGATTService.cpp
@@ -10,7 +10,7 @@
 
 namespace blink {
 
-BluetoothGATTService::BluetoothGATTService(const WebBluetoothGATTService& webService)
+BluetoothGATTService::BluetoothGATTService(PassOwnPtr<WebBluetoothGATTService> webService)
     : m_webService(webService)
 {
 }
@@ -20,8 +20,7 @@ BluetoothGATTService* BluetoothGATTService::take(ScriptPromiseResolver*, WebBlue
     if (!webServiceRawPointer) {
         return nullptr;
     }
-    OwnPtr<WebBluetoothGATTService> webService = adoptPtr(webServiceRawPointer);
-    return new BluetoothGATTService(*webService);
+    return new BluetoothGATTService(adoptPtr(webServiceRawPointer));
 }
 
 void BluetoothGATTService::dispose(WebBluetoothGATTService* webService)