NOCOMMIT PROTOTYPE [GRC] Tab CPU Usage Observer

services/resource_coordinator/coordination_unit/process_coordination_unit_impl_unittest.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 "base/process/process_handle.h"
 #include "base/run_loop.h"
 #include "services/resource_coordinator/coordination_unit/coordination_unit_factory.h"
 #include "services/resource_coordinator/coordination_unit/coordination_unit_impl.h"
 #include "services/resource_coordinator/coordination_unit/coordination_unit_impl_unittest_util.h"
 #include "services/resource_coordinator/public/cpp/coordination_unit_id.h"
 #include "services/resource_coordinator/public/cpp/coordination_unit_types.h"
+#include "services/resource_coordinator/public/interfaces/coordination_unit.mojom.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace resource_coordinator {
 
 namespace {
 
 class ProcessCoordinationUnitImplTest : public CoordinationUnitImplTestBase {};
 
 }  // namespace
 
 TEST_F(ProcessCoordinationUnitImplTest, MeasureCPUUsage) {
   base::ProcessId current_pid = base::GetCurrentProcId();
   CoordinationUnitID cu_id(CoordinationUnitType::kProcess, current_pid);
 
   std::unique_ptr<CoordinationUnitImpl> coordination_unit_ =
       coordination_unit_factory::CreateCoordinationUnit(
           cu_id, service_context_ref_factory()->CreateRef());
 
   base::RunLoop().RunUntilIdle();
 
-  EXPECT_LE(0.0, coordination_unit_->GetCPUUsageForTesting());
+  double cpu_usage =
+      coordination_unit_->GetProperty(mojom::PropertyType::kProcessCPUUsage)
+          .GetDouble();
+  EXPECT_LE(0.0, cpu_usage);
 }
 
 }  // namespace resource_coordinator