--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/loader/ThreadableLoader.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,85 @@
+/*
+ * Copyright (C) 2009 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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef ThreadableLoader_h
+#define ThreadableLoader_h
+
+#include <wtf/Noncopyable.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+    class ResourceError;
+    class ResourceRequest;
+    class ResourceResponse;
+    class ScriptExecutionContext;
+    class ThreadableLoaderClient;
+
+    enum StoredCredentials {
+        AllowStoredCredentials,
+        DoNotAllowStoredCredentials
+    };
+    
+    enum CrossOriginRequestPolicy {
+        DenyCrossOriginRequests,
+        UseAccessControl,
+        AllowCrossOriginRequests
+    };
+    
+    struct ThreadableLoaderOptions {
+        ThreadableLoaderOptions() : sendLoadCallbacks(false), sniffContent(false), allowCredentials(false), forcePreflight(false), crossOriginRequestPolicy(DenyCrossOriginRequests) { }
+        bool sendLoadCallbacks;
+        bool sniffContent;
+        bool allowCredentials;  // Whether HTTP credentials and cookies are sent with the request.
+        bool forcePreflight;  // If AccessControl is used, whether to force a preflight.
+        CrossOriginRequestPolicy crossOriginRequestPolicy;
+    };
+
+    // Useful for doing loader operations from any thread (not threadsafe, 
+    // just able to run on threads other than the main thread).
+    class ThreadableLoader : public Noncopyable {
+    public:
+        static void loadResourceSynchronously(ScriptExecutionContext*, const ResourceRequest&, ThreadableLoaderClient&, const ThreadableLoaderOptions&);
+        static PassRefPtr<ThreadableLoader> create(ScriptExecutionContext*, ThreadableLoaderClient*, const ResourceRequest&, const ThreadableLoaderOptions&);
+
+        virtual void cancel() = 0;
+        void ref() { refThreadableLoader(); }
+        void deref() { derefThreadableLoader(); }
+
+    protected:
+        virtual ~ThreadableLoader() { }
+        virtual void refThreadableLoader() = 0;
+        virtual void derefThreadableLoader() = 0;
+    };
+
+} // namespace WebCore
+
+#endif // ThreadableLoader_h