import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

ipc/ipdl/test/cxx/PTestBridgeMain.ipdl

@@ -0,0 +1,26 @@
+include protocol PTestBridgeMainSub;
+include protocol PTestBridgeSub;
+
+namespace mozilla {
+namespace _ipdltest {
+
+
+protocol PTestBridgeMain {
+    child spawns PTestBridgeSub;
+    child opens PTestBridgeMainSub;
+
+child:
+    async Start();
+
+parent:
+    async __delete__();
+
+state START:
+    send Start goto DEAD;
+state DEAD:
+    recv __delete__;
+};
+
+
+} // namespace mozilla
+} // namespace _ipdltest