| Index: services/resource_coordinator/BUILD.gn | 
| diff --git a/services/resource_coordinator/BUILD.gn b/services/resource_coordinator/BUILD.gn | 
| index 3abc1e54d5c382ca86b5a65ea807e637231e1987..baeca842b2fe2548d0af29ab8beb7efce4e73bb2 100644 | 
| --- a/services/resource_coordinator/BUILD.gn | 
| +++ b/services/resource_coordinator/BUILD.gn | 
| @@ -24,6 +24,8 @@ source_set("lib") { | 
| "coordination_unit/coordination_unit_provider_impl.h", | 
| "coordination_unit/process_coordination_unit_impl.cc", | 
| "coordination_unit/process_coordination_unit_impl.h", | 
| +    "coordination_unit/tab_cpu_usage_observer.cc", | 
| +    "coordination_unit/tab_cpu_usage_observer.h", | 
| "memory_instrumentation/coordinator_impl.cc", | 
| "memory_instrumentation/coordinator_impl.h", | 
| "memory_instrumentation/process_map.cc", | 
|  |