1 files changed, 47 insertions, 0 deletions
diff --git a/chromium/content/browser/loader/layered_resource_handler.h b/chromium/content/browser/loader/layered_resource_handler.h
new file mode 100644
index 00000000000..d41f7478e3f
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+++ b/chromium/content/browser/loader/layered_resource_handler.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2012 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 CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_
+#define CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "content/browser/loader/resource_handler.h"
+#include "content/common/content_export.h"
+
+namespace content {
+
+// A ResourceHandler that simply delegates all calls to a next handler.  This
+// class is intended to be subclassed.
+class CONTENT_EXPORT LayeredResourceHandler : public ResourceHandler {
+ public:
+  explicit LayeredResourceHandler(scoped_ptr<ResourceHandler> next_handler);
+  virtual ~LayeredResourceHandler();
+
+  // ResourceHandler implementation:
+  virtual void SetController(ResourceController* controller) OVERRIDE;
+  virtual bool OnUploadProgress(int request_id, uint64 position,
+                                uint64 size) OVERRIDE;
+  virtual bool OnRequestRedirected(int request_id, const GURL& url,
+                                   ResourceResponse* response,
+                                   bool* defer) OVERRIDE;
+  virtual bool OnResponseStarted(int request_id,
+                                 ResourceResponse* response,
+                                 bool* defer) OVERRIDE;
+  virtual bool OnWillStart(int request_id, const GURL& url,
+                           bool* defer) OVERRIDE;
+  virtual bool OnWillRead(int request_id, net::IOBuffer** buf, int* buf_size,
+                          int min_size) OVERRIDE;
+  virtual bool OnReadCompleted(int request_id, int bytes_read,
+                               bool* defer) OVERRIDE;
+  virtual bool OnResponseCompleted(int request_id,
+                                   const net::URLRequestStatus& status,
+                                   const std::string& security_info) OVERRIDE;
+  virtual void OnDataDownloaded(int request_id, int bytes_downloaded) OVERRIDE;
+
+  scoped_ptr<ResourceHandler> next_handler_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_LOADER_LAYERED_RESOURCE_HANDLER_H_