The rest of the Presentation API IDL as stubs.

Source/modules/presentation/PresentationSession.cpp

+// 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 "config.h"
+#include "modules/presentation/PresentationSession.h"
+
+#include "modules/EventTargetModules.h"
+
+namespace blink {
+
+PresentationSession::PresentationSession(ExecutionContext* executionContext)
+    : ContextLifecycleObserver(executionContext)
+{
+}
+
+PresentationSession::~PresentationSession()
+{
+}
+
+// static
+PresentationSession* PresentationSession::create(ExecutionContext* executionContext)
+{
+    return new PresentationSession(executionContext);
+}
+
+const AtomicString& PresentationSession::interfaceName() const
+{
+    return EventTargetNames::PresentationSession;
+}
+
+ExecutionContext* PresentationSession::executionContext() const
+{
+    return ContextLifecycleObserver::executionContext();
+}
+
+void PresentationSession::trace(Visitor* visitor)
+{
+    EventTargetWithInlineData::trace(visitor);
+}
+
+void PresentationSession::postMessage(const String& message)
+{
+}
+
+void PresentationSession::close()
+{
+}
+
+} // namespace blink