import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

netwerk/base/nsTransportUtils.h

@@ -0,0 +1,26 @@
+/* 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/. */
+
+#ifndef nsTransportUtils_h__
+#define nsTransportUtils_h__
+
+#include "nsITransport.h"
+
+/**
+ * This function returns a proxy object for a transport event sink instance.
+ * The transport event sink will be called on the thread indicated by the
+ * given event target.  Like events are automatically coalesced.  This means
+ * that for example if the status value is the same from event to event, and
+ * the previous event has not yet been delivered, then only one event will
+ * be delivered.  The progress reported will be that from the second event.
+
+ * Coalescing events can help prevent a backlog of unprocessed transport
+ * events in the case that the target thread is overworked.
+ */
+nsresult
+net_NewTransportEventSinkProxy(nsITransportEventSink **aResult,
+                               nsITransportEventSink *aSink,
+                               nsIEventTarget *aTarget);
+
+#endif // nsTransportUtils_h__