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+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsISupports.idl"
+
+interface nsIStreamListener;
+
+/**
+ * Implemented by content side of IPC protocols.
+ */
+
+[scriptable, uuid(c45b92ae-4f07-41dd-b0ef-aa044eeabb1e)]
+interface nsIChildChannel : nsISupports
+{
+ /**
+ * Create the chrome side of the IPC protocol and join an existing 'real'
+ * channel on the parent process. The id is provided by
+ * nsIRedirectChannelRegistrar on the chrome process and pushed to the child
+ * protocol as an argument to event starting a redirect.
+ *
+ * Primarilly used in HttpChannelChild::Redirect1Begin on a newly created
+ * child channel, where the new channel is intended to be created on the
+ * child process.
+ */
+ void connectParent(in uint32_t registrarId);
+
+ /**
+ * As AsyncOpen is called on the chrome process for redirect target channels,
+ * we have to inform the child side of the protocol of that fact by a special
+ * method.
+ */
+ void completeRedirectSetup(in nsIStreamListener aListener);
+};