Implementing timeout support for XHR

Source/core/loader/DocumentThreadableLoader.h

 /*
  * Copyright (C) 2009, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef DocumentThreadableLoader_h
 #define DocumentThreadableLoader_h
 
 #include "core/loader/FrameLoaderTypes.h"
 #include "core/loader/ThreadableLoader.h"
 #include "core/loader/cache/CachedRawResource.h"
 #include "core/loader/cache/CachedResourceHandle.h"
+#include "core/platform/Timer.h"
+#include "core/platform/network/ResourceError.h"
 #include <wtf/Forward.h>
 #include <wtf/OwnPtr.h>
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefCounted.h>
 #include <wtf/RefPtr.h>
 #include <wtf/text/WTFString.h>
 
 namespace WebCore {
     class Document;
     class KURL;
     class ResourceRequest;
     class SecurityOrigin;
     class ThreadableLoaderClient;
 
     class DocumentThreadableLoader : public RefCounted<DocumentThreadableLoader>, public ThreadableLoader, private CachedRawResourceClient  {
         WTF_MAKE_FAST_ALLOCATED;
     public:
         static void loadResourceSynchronously(Document*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
         static PassRefPtr<DocumentThreadableLoader> create(Document*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&);
         virtual ~DocumentThreadableLoader();
 
         virtual void cancel();
+        void cancel(const ResourceError&);
         virtual void setDefersLoading(bool);
 
         using RefCounted<DocumentThreadableLoader>::ref;
         using RefCounted<DocumentThreadableLoader>::deref;
 
     protected:
         virtual void refThreadableLoader() { ref(); }
         virtual void derefThreadableLoader() { deref(); }
 
     private:
@@ skipping 16 matching lines @@
 
         void didReceiveResponse(unsigned long identifier, const ResourceResponse&);
         void didReceiveData(unsigned long identifier, const char* data, int dataLength);
         void didFinishLoading(unsigned long identifier, double finishTime);
         void didFail(unsigned long identifier, const ResourceError&);
         void makeCrossOriginAccessRequest(const ResourceRequest&);
         void makeSimpleCrossOriginAccessRequest(const ResourceRequest& request);
         void makeCrossOriginAccessRequestWithPreflight(const ResourceRequest& request);
         void preflightSuccess();
         void preflightFailure(unsigned long identifier, const String& url, const String& errorDescription);
+        void timedOut(Timer<DocumentThreadableLoader>*);

[abarth-chromium, 2013/05/17 05:10:40]

didTimeout?

 
         void loadRequest(const ResourceRequest&, SecurityCheckPolicy);
         bool isAllowedRedirect(const KURL&) const;
         bool isAllowedByPolicy(const KURL&) const;
 
         SecurityOrigin* securityOrigin() const;
 
         CachedResourceHandle<CachedRawResource> m_resource;
         ThreadableLoaderClient* m_client;
         Document* m_document;
         ThreadableLoaderOptions m_options;
         bool m_sameOriginRequest;
         bool m_simpleRequest;
         bool m_async;
         OwnPtr<ResourceRequest> m_actualRequest;  // non-null during Access Control preflight checks
+        Timer<DocumentThreadableLoader> m_timeoutTimer;
     };
 
 } // namespace WebCore
 
 #endif // DocumentThreadableLoader_h