[GRC] Coordination Unit Key-Value Storage

services/resource_coordinator/public/interfaces/coordination_unit.mojom

Index: services/resource_coordinator/public/interfaces/coordination_unit.mojom
diff --git a/services/resource_coordinator/public/interfaces/coordination_unit.mojom b/services/resource_coordinator/public/interfaces/coordination_unit.mojom
index c8c35aacbc9426abc215057370d895e4e8c9712a..825ecf3b63a8ccd172d64991b4c4c7ffbe774a5b 100644
--- a/services/resource_coordinator/public/interfaces/coordination_unit.mojom
+++ b/services/resource_coordinator/public/interfaces/coordination_unit.mojom
@@ -5,6 +5,7 @@
 module resource_coordinator.mojom;
 
 import "events.mojom";
+import "mojo/common/values.mojom";
 
 // Any new type here needs to be mirrored between coordination_unit_types.h and
 // coordination_unit.mojom, and have mappings between the two defined in
@@ -29,6 +30,19 @@ interface CoordinationPolicyCallback {
   SetCoordinationPolicy(CoordinationPolicy policy);
 };
 
+// Defines the Storage property keys that can be get/set on the
+// CoordinationUnitImpl internal key-value store.
+enum PropertyType {
+  kTest,
+};
+
+// Key-value pair that corresponds to an entry in the CoordinationUnitImpl's
+// internal key-value store
+struct Property {
+  PropertyType property;
+  mojo.common.mojom.Value value;
+};
+
 interface CoordinationUnit {
   SendEvent(Event event);
 
@@ -42,4 +56,7 @@ interface CoordinationUnit {
   // and can't be a direct ascendent or descendent of the current unit.
   AddChild(CoordinationUnitID child_id);
   SetCoordinationPolicyCallback(CoordinationPolicyCallback callback);
+
+  // Sets a property on the CoordinationUnitImpl's internal key-value store.
+  SetProperty(Property property);
 };