[GRC] Process Coordination Unit support for Global Resource Controller

services/resource_coordinator/coordination_unit/coordination_unit_impl.cc

 // 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.
 
 #include "services/resource_coordinator/coordination_unit/coordination_unit_impl.h"
 
 #include <memory>
+#include <unordered_map>
 #include <utility>
 
 #include "base/logging.h"
 #include "base/process/process_handle.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/unguessable_token.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/resource_coordinator/public/cpp/coordination_unit_id.h"
 
 namespace resource_coordinator {
@@ skipping 192 matching lines @@
   policy_callback_ = std::move(callback);
 
   RecalcCoordinationPolicy();
 }
 
 void CoordinationUnitImpl::UnregisterCoordinationPolicyCallback() {
   policy_callback_.reset();
   current_policy_.reset();
 }
 
+double CoordinationUnitImpl::GetCPUUsageForTesting() {
+  return -1.0;
+}
+
 }  // namespace resource_coordinator