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diff --git a/webkit/blob/view_blob_internals_job.h b/webkit/blob/view_blob_internals_job.h
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+++ b/webkit/blob/view_blob_internals_job.h
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+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
+#define WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_
+
+#include <string>
+
+#include "net/url_request/url_request_simple_job.h"
+
+class URLRequest;
+
+namespace webkit_blob {
+
+class BlobData;
+class BlobStorageController;
+
+// A job subclass that implements a protocol to inspect the internal
+// state of blob registry.
+class ViewBlobInternalsJob : public URLRequestSimpleJob {
+ public:
+  ViewBlobInternalsJob(URLRequest* request,
+                       BlobStorageController* blob_storage_controller);
+
+  virtual void Start();
+  virtual bool GetData(std::string* mime_type,
+                       std::string* charset,
+                       std::string* data) const;
+  virtual bool IsRedirectResponse(GURL* location, int* http_status_code);
+
+ private:
+  ~ViewBlobInternalsJob();
+
+  void DoWorkAsync();
+  void GenerateHTML(std::string* out) const;
+  static void GenerateHTMLForBlobData(const BlobData& blob_data,
+                                      std::string* out);
+
+  BlobStorageController* blob_storage_controller_;
+
+  DISALLOW_COPY_AND_ASSIGN(ViewBlobInternalsJob);
+};
+
+}  // namespace webkit_blob
+
+#endif  // WEBKIT_BLOB_VIEW_BLOB_INTERNALS_JOB_H_