Have Frame::script() return a reference

Source/modules/websockets/WebSocket.cpp

Index: Source/modules/websockets/WebSocket.cpp
diff --git a/Source/modules/websockets/WebSocket.cpp b/Source/modules/websockets/WebSocket.cpp
index 3868acfda51786aa6abfc36ff912a3b16115476c..38a5443f08eab6441186f9d9e563b46dc46cdc19 100644
--- a/Source/modules/websockets/WebSocket.cpp
+++ b/Source/modules/websockets/WebSocket.cpp
@@ -224,7 +224,7 @@ void WebSocket::connect(const String& url, const Vector<String>& protocols, Exce
     bool shouldBypassMainWorldContentSecurityPolicy = false;
     if (executionContext()->isDocument()) {
         Document* document = toDocument(executionContext());
-        shouldBypassMainWorldContentSecurityPolicy = document->frame()->script()->shouldBypassMainWorldContentSecurityPolicy();
+        shouldBypassMainWorldContentSecurityPolicy = document->frame()->script().shouldBypassMainWorldContentSecurityPolicy();
     }
     if (!shouldBypassMainWorldContentSecurityPolicy && !executionContext()->contentSecurityPolicy()->allowConnectToSource(m_url)) {
         m_state = CLOSED;