Support full range of PreflightPolicy over WebURLLoaderOptions

Source/web/AssociatedURLLoader.cpp

Index: Source/web/AssociatedURLLoader.cpp
diff --git a/Source/web/AssociatedURLLoader.cpp b/Source/web/AssociatedURLLoader.cpp
index 74103cb0fca90a7dbb68515f8eb38d1202de869d..e435e0829b5dad6e239ab6452b6c952447943bae 100644
--- a/Source/web/AssociatedURLLoader.cpp
+++ b/Source/web/AssociatedURLLoader.cpp
@@ -342,7 +342,7 @@ void AssociatedURLLoader::loadAsynchronously(const WebURLRequest& request, WebUR
         options.sendLoadCallbacks = SendCallbacks; // Always send callbacks.
         options.sniffContent = m_options.sniffContent ? SniffContent : DoNotSniffContent;
         options.allowCredentials = m_options.allowCredentials ? AllowStoredCredentials : DoNotAllowStoredCredentials;
-        options.preflightPolicy = m_options.forcePreflight ? ForcePreflight : ConsiderPreflight;
+        options.preflightPolicy = static_cast<WebCore::PreflightPolicy>(m_options.preflightPolicy);
         options.crossOriginRequestPolicy = static_cast<WebCore::CrossOriginRequestPolicy>(m_options.crossOriginRequestPolicy);
         options.dataBufferingPolicy = DoNotBufferData;