Initial PlzNavigate RDH-side logic.

content/public/browser/stream_info.h

+// Copyright 2014 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_PUBLIC_BROWSER_STREAM_INFO_H_
+#define CONTENT_PUBLIC_BROWSER_STREAM_INFO_H_
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/content_export.h"
+#include "url/gurl.h"
+
+namespace net {
+class HttpResponseHeaders;
+}
+
+namespace content {
+
+class StreamHandle;
+
+// A convenience structure for passing around both a StreamHandle and associated
+// metadata. The intent is so, when passing the stream's URL to a child process,
+// the handle can be retained as long as it is needed while the rest of the
+// StreamInfo is released.
+struct CONTENT_EXPORT StreamInfo {
+  StreamInfo();
+  ~StreamInfo();
+
+  // The handle to the stream itself.
+  scoped_ptr<StreamHandle> handle;
+
+  // The original URL being redirected to this stream.
+  GURL original_url;
+
+  // The MIME type associated with this stream.
+  std::string mime_type;
+
+  // The HTTP response headers associated with this stream.
+  scoped_refptr<net::HttpResponseHeaders> response_headers;
+
+  DISALLOW_COPY_AND_ASSIGN(StreamInfo);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_BROWSER_STREAM_INFO_H_