diff -r 000000000000 -r 6474c204b198 ipc/testshell/TestShellChild.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/testshell/TestShellChild.cpp	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,56 @@
+/* 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 "TestShellChild.h"
+
+using mozilla::ipc::TestShellChild;
+using mozilla::ipc::PTestShellCommandChild;
+using mozilla::ipc::XPCShellEnvironment;
+
+TestShellChild::TestShellChild()
+: mXPCShell(XPCShellEnvironment::CreateEnvironment())
+{
+}
+
+bool
+TestShellChild::RecvExecuteCommand(const nsString& aCommand)
+{
+  if (mXPCShell->IsQuitting()) {
+    NS_WARNING("Commands sent after quit command issued!");
+    return false;
+  }
+
+  return mXPCShell->EvaluateString(aCommand);
+}
+
+PTestShellCommandChild*
+TestShellChild::AllocPTestShellCommandChild(const nsString& aCommand)
+{
+  return new PTestShellCommandChild();
+}
+
+bool
+TestShellChild::DeallocPTestShellCommandChild(PTestShellCommandChild* aCommand)
+{
+  delete aCommand;
+  return true;
+}
+
+bool
+TestShellChild::RecvPTestShellCommandConstructor(PTestShellCommandChild* aActor,
+                                                 const nsString& aCommand)
+{
+  if (mXPCShell->IsQuitting()) {
+    NS_WARNING("Commands sent after quit command issued!");
+    return false;
+  }
+
+  nsString response;
+  if (!mXPCShell->EvaluateString(aCommand, &response)) {
+    return false;
+  }
+
+  return PTestShellCommandChild::Send__delete__(aActor, response);
+}
+