--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/public/WebMessagePortChannel.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef WebMessagePortChannel_h
+#define WebMessagePortChannel_h
+
+#include "WebCommon.h"
+#include "WebVector.h"
+
+namespace WebKit {
+
+class WebMessagePortChannelClient;
+class WebString;
+
+typedef WebVector<class WebMessagePortChannel*> WebMessagePortChannelArray;
+
+// Provides an interface to a Message Port Channel implementation.  The object owns itself and
+// is signalled that its not needed anymore with the destroy() call.
+class WebMessagePortChannel {
+public:
+    virtual void setClient(WebMessagePortChannelClient*) = 0;
+    virtual void destroy() = 0;
+    // WebKit versions of WebCore::MessagePortChannel.
+    virtual void entangle(WebMessagePortChannel*) = 0;
+    // Callee receives ownership of the passed vector.
+    virtual void postMessage(const WebString&, WebMessagePortChannelArray*) = 0;
+    virtual bool tryGetMessage(WebString*, WebMessagePortChannelArray&) = 0;
+
+protected:
+    ~WebMessagePortChannel() { }
+};
+
+} // namespace WebKit
+
+#endif