Revert of Bootstrap Mojo IPC independent of Chrome IPC

mojo/edk/system/node_controller.cc

Index: mojo/edk/system/node_controller.cc
diff --git a/mojo/edk/system/node_controller.cc b/mojo/edk/system/node_controller.cc
index 7f5d4c389930fcccfa0daa2cda6bd32afe7f32a7..4c211acaf708b121f1da2d644fda90e99130beea 100644
--- a/mojo/edk/system/node_controller.cc
+++ b/mojo/edk/system/node_controller.cc
@@ -180,19 +180,6 @@
 
 void NodeController::MergePortIntoParent(const std::string& token,
                                          const ports::PortRef& port) {
-  {
-    // This request may be coming from within the process that reserved the
-    // "parent" side (e.g. for Chrome single-process mode), so if this token is
-    // reserved locally, merge locally instead.
-    base::AutoLock lock(reserved_ports_lock_);
-    auto it = reserved_ports_.find(token);
-    if (it != reserved_ports_.end()) {
-      node_->MergePorts(port, name_, it->second.name());
-      reserved_ports_.erase(it);
-      return;
-    }
-  }
-
   scoped_refptr<NodeChannel> parent = GetParentChannel();
   if (parent) {
     parent->RequestPortMerge(port.name(), token);