Implementing timeout support for XHR

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 0d7a05328268ee2d6ac7bdaa65fb80208b7226f8..b5711c5887e18b19e6f0b2ce850767c1d63f7e95 100644
--- a/Source/core/xml/XMLHttpRequest.h
+++ b/Source/core/xml/XMLHttpRequest.h
@@ -71,9 +71,7 @@ public:
     };
 
     virtual void contextDestroyed();
-#if ENABLE(XHR_TIMEOUT)
     virtual void didTimeout();
-#endif
     virtual bool canSuspend() const;
     virtual void suspend(ReasonForSuspension);
     virtual void resume();
@@ -109,10 +107,8 @@ public:
     Document* optionalResponseXML() const { return m_responseDocument.get(); }
     Blob* responseBlob(ExceptionCode&);
     Blob* optionalResponseBlob() const { return m_responseBlob.get(); }
-#if ENABLE(XHR_TIMEOUT)
     unsigned long timeout() const { return m_timeoutMilliseconds; }
     void setTimeout(unsigned long timeout, ExceptionCode&);
-#endif
 
     void sendFromInspector(PassRefPtr<FormData>, ExceptionCode&);
 
@@ -144,9 +140,7 @@ public:
     DEFINE_ATTRIBUTE_EVENT_LISTENER(loadend);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(loadstart);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(progress);
-#if ENABLE(XHR_TIMEOUT)
     DEFINE_ATTRIBUTE_EVENT_LISTENER(timeout);
-#endif
 
     using RefCounted<XMLHttpRequest>::ref;
     using RefCounted<XMLHttpRequest>::deref;
@@ -201,9 +195,7 @@ private:
     String m_mimeTypeOverride;
     bool m_async;
     bool m_includeCredentials;
-#if ENABLE(XHR_TIMEOUT)
     unsigned long m_timeoutMilliseconds;
-#endif
     RefPtr<Blob> m_responseBlob;
 
     RefPtr<ThreadableLoader> m_loader;