Bug 1550364 part 5. Get rid of nsIUDPSocketChild. r=baku

Differential Revision: https://phabricator.services.mozilla.com/D30448

--HG--
extra : moz-landing-system : lando

dom/network/UDPSocketChild.cpp

@@ -20,7 +20,7 @@ using mozilla::net::gNeckoChild;
 namespace mozilla {
 namespace dom {
 
-NS_IMPL_ISUPPORTS(UDPSocketChildBase, nsIUDPSocketChild)
+NS_IMPL_ISUPPORTS(UDPSocketChildBase, nsISupports)
 
 UDPSocketChildBase::UDPSocketChildBase() : mIPCOpen(false) {}
 

dom/network/UDPSocketChild.h

@@ -22,7 +22,7 @@
 namespace mozilla {
 namespace dom {
 
-class UDPSocketChildBase : public nsIUDPSocketChild {
+class UDPSocketChildBase : public nsISupports {
  public:
   NS_DECL_ISUPPORTS
 
@@ -39,7 +39,6 @@ class UDPSocketChildBase : public nsIUDPSocketChild {
 class UDPSocketChild : public mozilla::net::PUDPSocketChild,
                        public UDPSocketChildBase {
  public:
-  NS_DECL_NSIUDPSOCKETCHILD
   NS_IMETHOD_(MozExternalRefCountType) Release() override;
 
   UDPSocketChild();

dom/network/interfaces/nsIUDPSocketChild.idl

@@ -10,11 +10,6 @@ interface nsIInputStream;
 interface nsIPrincipal;
 interface nsIEventTarget;
 
-[uuid(1e6ad73b-6c05-4d78-9a88-2d357b88f58b)]
-interface nsIUDPSocketChild : nsISupports
-{
-};
-
 /*
  * Internal interface for callback from chrome process
  */