Refactor ThreadableLoaderOptions for readability

Source/core/page/EventSource.cpp

Index: Source/core/page/EventSource.cpp
diff --git a/Source/core/page/EventSource.cpp b/Source/core/page/EventSource.cpp
index 493e36043b803c147bd473a88bed0b5a65fad898..f3c0a3d5e5abe5ffe08275c2a3971b09b7bd6272 100644
--- a/Source/core/page/EventSource.cpp
+++ b/Source/core/page/EventSource.cpp
@@ -137,16 +137,17 @@ void EventSource::connect()
     SecurityOrigin* origin = executionContext.securityOrigin();
 
     ThreadableLoaderOptions options;
-    options.sniffContent = DoNotSniffContent;
-    options.allowCredentials = (origin->canRequest(m_url) || m_withCredentials) ? AllowStoredCredentials : DoNotAllowStoredCredentials;
-    options.credentialsRequested = m_withCredentials ? ClientRequestedCredentials : ClientDidNotRequestCredentials;
     options.preflightPolicy = PreventPreflight;
     options.crossOriginRequestPolicy = UseAccessControl;
-    options.dataBufferingPolicy = DoNotBufferData;
-    options.securityOrigin = origin;
     options.contentSecurityPolicyEnforcement = ContentSecurityPolicy::shouldBypassMainWorld(&executionContext) ? DoNotEnforceContentSecurityPolicy : EnforceConnectSrcDirective;
 
-    m_loader = ThreadableLoader::create(executionContext, this, request, options);
+    ResourceLoaderOptions resourceLoaderOptions;
+    resourceLoaderOptions.allowCredentials = (origin->canRequest(m_url) || m_withCredentials) ? AllowStoredCredentials : DoNotAllowStoredCredentials;
+    resourceLoaderOptions.credentialsRequested = m_withCredentials ? ClientRequestedCredentials : ClientDidNotRequestCredentials;
+    resourceLoaderOptions.dataBufferingPolicy = DoNotBufferData;
+    resourceLoaderOptions.securityOrigin = origin;
+
+    m_loader = ThreadableLoader::create(executionContext, this, request, options, resourceLoaderOptions);
 
     if (m_loader)
         m_requestInFlight = true;