Expose the origin of the client calling navigator.connect.

Source/modules/navigatorconnect/NavigatorConnect.cpp

Index: Source/modules/navigatorconnect/NavigatorConnect.cpp
diff --git a/Source/modules/navigatorconnect/NavigatorConnect.cpp b/Source/modules/navigatorconnect/NavigatorConnect.cpp
index f69ff857efc573677c6fdf4fd033b5bbfd42bcaf..6869883fe5da8aba403f0687b2aceea02bf52ef2 100644
--- a/Source/modules/navigatorconnect/NavigatorConnect.cpp
+++ b/Source/modules/navigatorconnect/NavigatorConnect.cpp
@@ -75,6 +75,7 @@ ScriptPromise NavigatorConnect::connect(ScriptState* scriptState, const String&
     OwnPtr<WebMessagePortChannel> webchannel = channel->port2()->disentangle();
     provider->connect(
         scriptState->executionContext()->completeURL(url),
+        scriptState->executionContext()->securityOrigin()->toString(),
         webchannel.leakPtr(),
         new ConnectCallbacks(resolver, channel->port1()));
     return promise;