Change POST-exclusion to idempotent-inclusion

components/data_reduction_proxy/core/common/BUILD.gn

Index: components/data_reduction_proxy/core/common/BUILD.gn
diff --git a/components/data_reduction_proxy/core/common/BUILD.gn b/components/data_reduction_proxy/core/common/BUILD.gn
index d48c8e683e657435b3269c7e51325430bf89353d..c41cd174870244bcc12a479b6496d5b679ad4f3e 100644
--- a/components/data_reduction_proxy/core/common/BUILD.gn
+++ b/components/data_reduction_proxy/core/common/BUILD.gn
@@ -20,20 +20,22 @@ template("common_tmpl") {
       "data_reduction_proxy_event_store.cc",
       "data_reduction_proxy_event_store.h",
       "data_reduction_proxy_headers.cc",
       "data_reduction_proxy_headers.h",
       "data_reduction_proxy_params.cc",
       "data_reduction_proxy_params.h",
       "data_reduction_proxy_pref_names.cc",
       "data_reduction_proxy_pref_names.h",
       "data_reduction_proxy_switches.cc",
       "data_reduction_proxy_switches.h",
+      "data_reduction_proxy_util.cc",
+      "data_reduction_proxy_util.h",
       "lofi_decider.h",
       "lofi_ui_service.h",
     ]
 
     public_deps = [
       ":version_header",
     ]
     deps = [
       "//base",
       "//components/data_reduction_proxy/proto:data_reduction_proxy_proto",