Use "int" instead of "long" for bindings where the WebIDL uses "long".

Source/core/xml/XMLHttpRequest.h

Index: Source/core/xml/XMLHttpRequest.h
diff --git a/Source/core/xml/XMLHttpRequest.h b/Source/core/xml/XMLHttpRequest.h
index 8f3bc2a0de0bedc1ae4cf346468155e4de5d5620..3ded7b57ae6a1c9f51ca1f25899f90cc29d14c83 100644
--- a/Source/core/xml/XMLHttpRequest.h
+++ b/Source/core/xml/XMLHttpRequest.h
@@ -106,8 +106,8 @@ public:
     ScriptString responseText(ExceptionCode&);
     Document* responseXML(ExceptionCode&);
     Blob* responseBlob(ExceptionCode&);
-    unsigned long timeout() const { return m_timeoutMilliseconds; }
-    void setTimeout(unsigned long timeout, ExceptionCode&);
+    unsigned timeout() const { return m_timeoutMilliseconds; }
+    void setTimeout(unsigned timeout, ExceptionCode&);
 
     void sendForInspectorXHRReplay(PassRefPtr<FormData>, ExceptionCode&);
 
@@ -193,7 +193,7 @@ private:
     String m_mimeTypeOverride;
     bool m_async;
     bool m_includeCredentials;
-    unsigned long m_timeoutMilliseconds;
+    unsigned m_timeoutMilliseconds;
     RefPtr<Blob> m_responseBlob;
 
     RefPtr<ThreadableLoader> m_loader;