memory-infra: Start disentangling tracing from memory-infra

services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl_unittest.cc

Index: services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl_unittest.cc
diff --git a/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl_unittest.cc b/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl_unittest.cc
index a0fcd2daec3c65f51d92447481d070192b7320fc..4f6458aee6d3394b9d39695248a5c15c28ec076a 100644
--- a/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl_unittest.cc
+++ b/services/resource_coordinator/public/cpp/memory/memory_dump_manager_delegate_impl_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/run_loop.h"
 #include "base/trace_event/memory_dump_manager.h"
 #include "base/trace_event/memory_dump_request_args.h"
+#include "base/trace_event/memory_tracing_frontend.h"
 #include "base/trace_event/trace_config.h"
 #include "base/trace_event/trace_log.h"
 #include "mojo/public/cpp/bindings/binding_set.h"
@@ -19,6 +20,7 @@
 using base::trace_event::MemoryDumpLevelOfDetail;
 using base::trace_event::MemoryDumpManager;
 using base::trace_event::MemoryDumpType;
+using base::trace_event::MemoryTracingFrontend;
 
 namespace memory_instrumentation {
 
@@ -52,6 +54,7 @@ class MemoryDumpManagerDelegateImplTest : public testing::Test {
     auto delegate = base::MakeUnique<MemoryDumpManagerDelegateImpl>(config);
     delegate->SetAsNonCoordinatorForTesting();
     mdm_->Initialize(std::move(delegate));
+    MemoryTracingFrontend::Initialize(mdm_.get());
 
     // Enable tracing.
     std::string category_filter = "-*,";