[GRC] Coordination Unit Key-Value Storage

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 6604ec2675924f73f30e8faa26221eb3e1cf968b..46c78b4b68933754f6b927b9f2be4be9664f0489 100644
--- a/services/resource_coordinator/coordination_unit/coordination_unit_impl.h
+++ b/services/resource_coordinator/coordination_unit/coordination_unit_impl.h
@@ -8,9 +8,11 @@
 #include <list>
 #include <memory>
 #include <set>
+#include <unordered_map>
 #include <utility>
 
 #include "base/optional.h"
+#include "base/values.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
 #include "mojo/public/cpp/bindings/interface_request.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
@@ -35,15 +37,27 @@ class CoordinationUnitImpl : public mojom::CoordinationUnit {
   void AddChild(const CoordinationUnitID& child_id) override;
   void SetCoordinationPolicyCallback(
       mojom::CoordinationPolicyCallbackPtr callback) override;
+  void SetProperty(mojom::PropertyPtr property) override;
 
   const CoordinationUnitID& id() const { return id_; }
   const std::set<CoordinationUnitImpl*>& children() const { return children_; }
   const std::set<CoordinationUnitImpl*>& parents() const { return parents_; }
+  const std::unordered_map<mojom::PropertyType, base::Value>&
+  property_store_for_testing() const {
+    return property_store_;
+  }
 
   static const double kCPUUsageMinimumForTesting;
   static const double kCPUUsageUnmeasuredForTesting;
   virtual double GetCPUUsageForTesting();
 
+  // Clear property from internal key-value store
+  void ClearProperty(mojom::PropertyType property);
+  // Retrieve property from internal key-value store
+  base::Value GetProperty(mojom::PropertyType property);
+  // Set property from internal key-value store
+  void SetProperty(mojom::PropertyType property, base::Value value);
+
  protected:
   const CoordinationUnitID id_;
   std::set<CoordinationUnitImpl*> children_;
@@ -60,6 +74,8 @@ class CoordinationUnitImpl : public mojom::CoordinationUnit {
   void RecalcCoordinationPolicy();
   void UnregisterCoordinationPolicyCallback();
 
+  std::unordered_map<mojom::PropertyType, base::Value> property_store_;
+
   enum StateFlags : uint8_t {
     kTestState,
     kTabVisible,