Introduce url::Origin to represent Web Origin.

url/serialized_origin.cc

Index: url/serialized_origin.cc
diff --git a/url/serialized_origin.cc b/url/serialized_origin.cc
new file mode 100644
index 0000000000000000000000000000000000000000..7f57a4edbc3644e7c605bf5c532b88656cc02140
--- /dev/null
+++ b/url/serialized_origin.cc
@@ -0,0 +1,19 @@
+// 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.
+
+#include "url/serialized_origin.h"
+
+#include <ostream>
+#include <string>
+
+SerializedOrigin::SerializedOrigin() {}
+
+SerializedOrigin::SerializedOrigin(const std::string& origin)
+    : string_(origin) {}
+
+std::ostream& operator<<(std::ostream& out,
+                         const SerializedOrigin& origin) {
+  return out << origin.string();
+}
+