Split user agent code out of the 'glue' target

webkit/user_agent/user_agent.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_USER_AGENT_USER_AGENT_H_
+#define WEBKIT_USER_AGENT_USER_AGENT_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "googleurl/src/gurl.h"
+#include "webkit/user_agent/webkit_user_agent_export.h"
+
+namespace webkit_glue {
+
+// Sets the user agent.  Pass true for overriding if this is a custom
+// user agent instead of the default one (in order to turn off any browser
+// sniffing workarounds). This must be called before GetUserAgent() can
+// be called.
+WEBKIT_USER_AGENT_EXPORT void SetUserAgent(const std::string& user_agent,
+                                           bool overriding);
+
+// Returns the user agent to use for the given URL. SetUserAgent() must
+// be called prior to calling this function.
+WEBKIT_USER_AGENT_EXPORT const std::string& GetUserAgent(const GURL& url);
+
+}  // namespace webkit_glue
+
+#endif  // WEBKIT_USER_AGENT_USER_AGENT_H_