Implementing timeout support for XHR

Source/core/loader/DocumentThreadableLoader.h

Index: Source/core/loader/DocumentThreadableLoader.h
diff --git a/Source/core/loader/DocumentThreadableLoader.h b/Source/core/loader/DocumentThreadableLoader.h
index da0afb6fdb1194ce2acb67d89ecd6008b0607636..e4e357cf712b4fcb4b56af3d0949f77213a53b04 100644
--- a/Source/core/loader/DocumentThreadableLoader.h
+++ b/Source/core/loader/DocumentThreadableLoader.h
@@ -35,6 +35,8 @@
 #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>
@@ -57,6 +59,7 @@ namespace WebCore {
         virtual ~DocumentThreadableLoader();
 
         virtual void cancel();
+        void cancel(const ResourceError&);
         virtual void setDefersLoading(bool);
 
         using RefCounted<DocumentThreadableLoader>::ref;
@@ -93,6 +96,7 @@ namespace WebCore {
         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;
@@ -108,6 +112,7 @@ namespace WebCore {
         bool m_simpleRequest;
         bool m_async;
         OwnPtr<ResourceRequest> m_actualRequest;  // non-null during Access Control preflight checks
+        Timer<DocumentThreadableLoader> m_timeoutTimer;
     };
 
 } // namespace WebCore