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

services/resource_coordinator/coordination_unit/coordination_unit_impl.h

Index: services/resource_coordinator/coordination_unit/coordination_unit_impl.h
diff --git a/services/resource_coordinator/coordination_unit/coordination_unit_impl.h b/services/resource_coordinator/coordination_unit/coordination_unit_impl.h
index a26202e678ef8019e842d33b223590aace5abb7c..a5c47f5e7710ad7be6598bb27be230a9929a6356 100644
--- a/services/resource_coordinator/coordination_unit/coordination_unit_impl.h
+++ b/services/resource_coordinator/coordination_unit/coordination_unit_impl.h
@@ -6,8 +6,6 @@
 #define SERVICES_RESOURCE_COORDINATOR_COORDINATION_UNIT_COORDINATION_UNIT_IMPL_H_
 
 #include <list>
-#include <memory>
-#include <utility>
 
 #include "base/optional.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
@@ -35,11 +33,6 @@
   void SetCoordinationPolicyCallback(
       mojom::CoordinationPolicyCallbackPtr callback) override;
 
-  virtual double GetCPUUsageForTesting();
-
- protected:
-  CoordinationUnitID id_;
-
  private:
   bool AddChild(CoordinationUnitImpl* child);
   void RemoveChild(CoordinationUnitImpl* child);
@@ -61,6 +54,7 @@
 
   std::unique_ptr<service_manager::ServiceContextRef> service_ref_;
   mojo::BindingSet<mojom::CoordinationUnit> bindings_;
+  CoordinationUnitID id_;
 
   std::set<CoordinationUnitImpl*> children_;
   std::set<CoordinationUnitImpl*> parents_;