Implement URL and Origin typemaps/struct traits for blink.

third_party/WebKit/Source/platform/mojo/SecurityOriginStructTraits.h

+// Copyright 2016 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 SecurityOriginStructTraits_h
+#define SecurityOriginStructTraits_h
+
+#include "platform/weborigin/SecurityOrigin.h"
+#include "url/mojo/origin.mojom-blink.h"
+#include "wtf/text/WTFString.h"
+
+namespace mojo {
+
+template <>
+struct StructTraits<url::mojom::blink::Origin, RefPtr<::blink::SecurityOrigin>> {
+    static WTF::String scheme(const RefPtr<::blink::SecurityOrigin>& origin)
+    {
+        return origin->protocol();
+    }
+    static WTF::String host(const RefPtr<::blink::SecurityOrigin>& origin)
+    {
+        return origin->host();
+    }
+    static uint16_t port(const RefPtr<::blink::SecurityOrigin>& origin)
+    {
+        return origin->port();
+    }
+    static bool unique(const RefPtr<::blink::SecurityOrigin>& origin)
+    {
+        return origin->isUnique();
+    }
+    static bool Read(url::mojom::blink::OriginDataView data, RefPtr<::blink::SecurityOrigin>* out)
+    {
+        if (data.unique()) {
+            *out = ::blink::SecurityOrigin::createUnique();
+        } else {
+            WTF::String scheme;
+            WTF::String host;
+            if (!data.ReadScheme(&scheme) || !data.ReadHost(&host))
+                return false;
+
+            *out = ::blink::SecurityOrigin::create(scheme, host, data.port());
+        }
+
+        // If a unique origin was created, but the unique flag wasn't set, then
+        // the values provided to 'create' were invalid.
+        if (!data.unique() && (*out)->isUnique())
+            return false;
+
+        return true;
+    }
+};
+}
+
+#endif // SecurityOriginStructTraits_h