[mojo-edk] Bind a child token to child launches and port reservations.

content/test/render_thread_impl_browser_test_ipc_helper.cc

Index: content/test/render_thread_impl_browser_test_ipc_helper.cc
diff --git a/content/test/render_thread_impl_browser_test_ipc_helper.cc b/content/test/render_thread_impl_browser_test_ipc_helper.cc
index 52cb151042f57073b3fc1cc8f3cd4a050207f14f..8c924d040991c66f0f058a6c5aa29cd68e3cf4bb 100644
--- a/content/test/render_thread_impl_browser_test_ipc_helper.cc
+++ b/content/test/render_thread_impl_browser_test_ipc_helper.cc
@@ -38,8 +38,9 @@ void RenderThreadImplBrowserIPCTestHelper::SetupIpcThread() {
 void RenderThreadImplBrowserIPCTestHelper::SetupMojo() {
   InitializeMojo();
 
+  std::string child_token = mojo::edk::GenerateRandomToken();
   ipc_support_.reset(new IPC::ScopedIPCSupport(ipc_thread_->task_runner()));
-  mojo_application_host_.reset(new MojoApplicationHost());
+  mojo_application_host_.reset(new MojoApplicationHost(child_token));
   mojo_application_token_ = mojo_application_host_->GetToken();
 
   mojo_ipc_token_ = mojo::edk::GenerateRandomToken();
@@ -47,7 +48,7 @@ void RenderThreadImplBrowserIPCTestHelper::SetupMojo() {
   mojo::MessagePipe pipe;
   channel_ = IPC::ChannelProxy::Create(
       IPC::ChannelMojo::CreateServerFactory(
-          mojo::edk::CreateParentMessagePipe(mojo_ipc_token_)),
+          mojo::edk::CreateParentMessagePipe(mojo_ipc_token_, child_token)),
       dummy_listener_.get(), ipc_thread_->task_runner());
 }