Revert of [GRC] Process Coordination Unit support for Global Resource Controller

services/resource_coordinator/coordination_unit/coordination_unit_provider_impl.cc

Index: services/resource_coordinator/coordination_unit/coordination_unit_provider_impl.cc
diff --git a/services/resource_coordinator/coordination_unit/coordination_unit_provider_impl.cc b/services/resource_coordinator/coordination_unit/coordination_unit_provider_impl.cc
index e3d970963f48e161703ab6fe9fa65a2f0e416c20..cfd4491beb86692bc618fba755dca3753cdd0f05 100644
--- a/services/resource_coordinator/coordination_unit/coordination_unit_provider_impl.cc
+++ b/services/resource_coordinator/coordination_unit/coordination_unit_provider_impl.cc
@@ -9,7 +9,6 @@
 
 #include "base/logging.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
-#include "services/resource_coordinator/coordination_unit/coordination_unit_factory.h"
 #include "services/resource_coordinator/coordination_unit/coordination_unit_impl.h"
 #include "services/service_manager/public/cpp/service_context_ref.h"
 
@@ -27,11 +26,19 @@
 void CoordinationUnitProviderImpl::CreateCoordinationUnit(
     mojom::CoordinationUnitRequest request,
     const CoordinationUnitID& id) {
-  std::unique_ptr<CoordinationUnitImpl> coordination_unit =
-      coordination_unit_factory::CreateCoordinationUnit(
-          id, service_ref_factory_->CreateRef());
+  // TODO(oysteine): A strong binding here means the first binding set up
+  // to a CoordinationUnit via CoordinationUnitProvider, i.e. the authoritative
+  // one in terms of setting the context, has to outlive all of the other
+  // connections (as the rest are just duplicated and held within
+  // CoordinationUnit). Make sure this assumption is correct, or refactor into
+  // some kind of refcounted thing.
 
-  mojo::MakeStrongBinding(std::move(coordination_unit), std::move(request));
+  // Once there's a need for custom code for various types of CUs (tabs,
+  // processes, etc) then this could become a factory function and instantiate
+  // different subclasses of CoordinationUnitImpl based on the id.type.
+  mojo::MakeStrongBinding(base::MakeUnique<CoordinationUnitImpl>(
+                              id, service_ref_factory_->CreateRef()),
+                          std::move(request));
 };
 
 // static