NOCOMMIT prototype: GRC service plumbing and process priority

services/resource_coordinator/public/interfaces/coordination_unit.mojom

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+module resource_coordinator.mojom;
+
+import "events.mojom";
+
+enum IDType {
+        NONE,
+        WEBCONTENTS,
+        FRAME,
+        NAVIGATION,
+        PROCESS
+};
+
+struct CoordinationUnitID {
+  IDType type;
+  string id;
+};
+
+struct Policy {
+  bool use_background_priority;
+};
+
+interface PolicyCallback {
+  SetPolicy(Policy policy);
+};
+
+interface CoordinationUnit {
+  SendEvent(Event event);
+
+  GetID() => (CoordinationUnitID id);
+  Duplicate(CoordinationUnit& request);
+  AddChild(CoordinationUnitID child_id);
+  SetPolicyCallback(PolicyCallback callback);
+};