Remove dependency on XMPP implementation in WebRTC

remoting/signaling/xmpp_stream_parser.h

Index: remoting/signaling/xmpp_stream_parser.h
diff --git a/remoting/signaling/xmpp_stream_parser.h b/remoting/signaling/xmpp_stream_parser.h
new file mode 100644
index 0000000000000000000000000000000000000000..1ac5027335289fce23681ba6fb6fcc2214c99aac
--- /dev/null
+++ b/remoting/signaling/xmpp_stream_parser.h
@@ -0,0 +1,44 @@
+// Copyright 2015 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 REMOTING_SIGNALING_XMPP_STREAM_PARSER_H_
+#define REMOTING_SIGNALING_XMPP_STREAM_PARSER_H_
+
+#include <string>
+
+#include "base/callback.h"
+
+namespace buzz {
+class XmlElement;
+}  // namespace buzz
+
+namespace remoting {
+
+// XmppStreamParser is used to parse XMPP stream. Data is fed to the parser
+// using appendData() method and it calls |on_stanza_callback\ and
+// |on_error_callback| specified using SetCallbacks().
+class XmppStreamParser {
+ public:
+  typedef base::Callback<void(scoped_ptr<buzz::XmlElement> stanza)>
+      OnStanzaCallback;
+
+  XmppStreamParser();
+  ~XmppStreamParser();
+
+  void SetCallbacks(const OnStanzaCallback& on_stanza_callback,
+                    const base::Closure& on_error_callback);
+
+  void AppendData(const std::string& data);
+
+ private:
+  class Core;
+
+  scoped_ptr<Core> core_;
+
+  DISALLOW_COPY_AND_ASSIGN(XmppStreamParser);
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_SIGNALING_XMPP_STREAM_PARSER_H_