SPDY - chrome:loadtimes() should display negotiated NPN protocol.

webkit/glue/weburlresponse_extradata_impl.h

+// 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 WEBKIT_GLUE_WEBURLRESPONSE_EXTRADATA_IMPL_H_
+#define WEBKIT_GLUE_WEBURLRESPONSE_EXTRADATA_IMPL_H_
+#pragma once
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "third_party/WebKit/Source/WebKit/chromium/public/platform/WebURLResponse.h"
+#include "webkit/glue/webkit_glue_export.h"
+
+namespace webkit_glue {
+
+// Base class for Chrome's implementation of the "extra data".
+class WEBKIT_GLUE_EXPORT WebURLResponseExtraDataImpl :
+    NON_EXPORTED_BASE(public WebKit::WebURLResponse::ExtraData) {
+ public:
+  WebURLResponseExtraDataImpl(const std::string& npn_negotiated_protocol);
+  virtual ~WebURLResponseExtraDataImpl();
+  const std::string& npn_negotiated_protocol() const {
+    return npn_negotiated_protocol_;
+  }
+
+ private:
+  std::string npn_negotiated_protocol_;
+
+  DISALLOW_COPY_AND_ASSIGN(WebURLResponseExtraDataImpl);
+};
+
+}  // namespace webkit_glue
+
+#endif  // WEBKIT_GLUE_WEBURLRESPONSE_EXTRADATA_IMPL_H_