Bug 1640105 - Initialize necessary services eariler r=dragana

Initialize http handler, DNS service, and IOService earlier to avoid crash.

Differential Revision: https://phabricator.services.mozilla.com/D77303

netwerk/ipc/SocketProcessChild.cpp

@@ -123,6 +123,26 @@ bool SocketProcessChild::Init(base::ProcessId aParentPid,
   // because it's not running a native event loop. See bug 1384336.
   CGSShutdownServerConnections();
 #endif  // XP_MACOSX
+
+  nsresult rv;
+  nsCOMPtr<nsIIOService> ios = do_GetIOService(&rv);
+  if (NS_FAILED(rv)) {
+    return false;
+  }
+
+  nsCOMPtr<nsIProtocolHandler> handler;
+  rv = ios->GetProtocolHandler("http", getter_AddRefs(handler));
+  if (NS_FAILED(rv)) {
+    return false;
+  }
+
+  // Initialize DNS Service here, since it needs to be done in main thread.
+  nsCOMPtr<nsIDNSService> dns =
+      do_GetService("@mozilla.org/network/dns-service;1", &rv);
+  if (NS_FAILED(rv)) {
+    return false;
+  }
+
   return true;
 }
 
@@ -313,31 +333,8 @@ PFileDescriptorSetChild* SocketProcessChild::SendPFileDescriptorSetConstructor(
 already_AddRefed<PHttpConnectionMgrChild>
 SocketProcessChild::AllocPHttpConnectionMgrChild() {
   LOG(("SocketProcessChild::AllocPHttpConnectionMgrChild \n"));
-  if (!gHttpHandler) {
-    nsresult rv;
-    nsCOMPtr<nsIIOService> ios = do_GetIOService(&rv);
-    if (NS_FAILED(rv)) {
-      return nullptr;
-    }
-
-    nsCOMPtr<nsIProtocolHandler> handler;
-    rv = ios->GetProtocolHandler("http", getter_AddRefs(handler));
-    if (NS_FAILED(rv)) {
-      return nullptr;
-    }
-
-    // Initialize DNS Service here, since it needs to be done in main thread.
-    nsCOMPtr<nsIDNSService> dns =
-        do_GetService("@mozilla.org/network/dns-service;1", &rv);
-    if (NS_FAILED(rv)) {
-      return nullptr;
-    }
-
-    RefPtr<HttpConnectionMgrChild> actor = new HttpConnectionMgrChild();
-    return actor.forget();
-  }
-
-  return nullptr;
+  RefPtr<HttpConnectionMgrChild> actor = new HttpConnectionMgrChild();
+  return actor.forget();
 }
 
 mozilla::ipc::IPCResult