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diff --git a/Source/WebKit/chromium/public/WebURLLoader.h b/Source/WebKit/chromium/public/WebURLLoader.h
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+/*
+ * 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 WebURLLoader_h
+#define WebURLLoader_h
+
+#include "WebCommon.h"
+
+namespace WebKit {
+
+class WebData;
+class WebURLLoaderClient;
+class WebURLRequest;
+class WebURLResponse;
+struct WebURLError;
+
+class WebURLLoader {
+public:
+    // The WebURLLoader may be deleted in a call to its client.
+    virtual ~WebURLLoader() {}
+
+    // Load the request synchronously, returning results directly to the
+    // caller upon completion.  There is no mechanism to interrupt a
+    // synchronous load!!
+    virtual void loadSynchronously(const WebURLRequest&,
+        WebURLResponse&, WebURLError&, WebData& data) = 0;
+
+    // Load the request asynchronously, sending notifications to the given
+    // client.  The client will receive no further notifications if the
+    // loader is disposed before it completes its work.
+    virtual void loadAsynchronously(const WebURLRequest&,
+        WebURLLoaderClient*) = 0;
+
+    // Cancels an asynchronous load.  This will appear as a load error to
+    // the client.
+    virtual void cancel() = 0;
+
+    // Suspends/resumes an asynchronous load.
+    virtual void setDefersLoading(bool) = 0;
+};
+
+} // namespace WebKit
+
+#endif