[sync] Scope BrowserListRouterHelper to browsers with a matching profile

chrome/test/BUILD.gn

Index: chrome/test/BUILD.gn
diff --git a/chrome/test/BUILD.gn b/chrome/test/BUILD.gn
index a96abc27d9bf2aae684eaa40552076a655a4046b..7a35232cb1110e10356db0f6dcef744658e41760 100644
--- a/chrome/test/BUILD.gn
+++ b/chrome/test/BUILD.gn
@@ -3506,6 +3506,7 @@ test("unit_tests") {
       "../browser/signin/mutable_profile_oauth2_token_service_delegate_unittest.cc",
       "../browser/speech/extension_api/extension_manifests_tts_unittest.cc",
       "../browser/speech/tts_controller_unittest.cc",
+      "../browser/sync/sessions/browser_list_router_helper_unittest.cc",
       "../browser/sync/sync_ui_util_unittest.cc",  # Sync setup uses native ui.
       "../browser/task_manager/providers/browser_process_task_unittest.cc",
       "../browser/task_manager/providers/child_process_task_unittest.cc",