Second attempt at landing http://codereview.chromium.org/3214005...

webkit/glue/user_agent.h

+// 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_GLUE_USER_AGENT_H_
+#define WEBKIT_GLUE_USER_AGENT_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+
+namespace webkit_glue {
+
+// Construct the User-Agent header, filling in |result|.
+// The other parameters are workarounds for broken websites:
+// - If mimic_windows is true, produce a fake Windows Chrome string.
+void BuildUserAgent(bool mimic_windows, std::string* result);
+
+// Builds a User-agent compatible string that describes the OS and CPU type.
+std::string BuildOSCpuInfo();
+
+// Returns the WebKit version (major.minor).
+std::string GetWebKitVersion();
+
+}  // namespace webkit_glue
+
+#endif  // WEBKIT_GLUE_USER_AGENT_H_
+