GN: Always check for bad items.

tools/gn/build_settings.cc

Index: tools/gn/build_settings.cc
diff --git a/tools/gn/build_settings.cc b/tools/gn/build_settings.cc
index 14f1aa8697b393334c326d594cc0c2693fa3e21d..3fac976202ad1f5125d2485826e5ec99c8a471a3 100644
--- a/tools/gn/build_settings.cc
+++ b/tools/gn/build_settings.cc
@@ -9,8 +9,7 @@
 #include "base/files/file_util.h"
 #include "tools/gn/filesystem_utils.h"
 
-BuildSettings::BuildSettings()
-    : check_for_bad_items_(true) {
+BuildSettings::BuildSettings() {
 }
 
 BuildSettings::BuildSettings(const BuildSettings& other)
@@ -20,8 +19,7 @@ BuildSettings::BuildSettings(const BuildSettings& other)
       python_path_(other.python_path_),
       build_config_file_(other.build_config_file_),
       build_dir_(other.build_dir_),
-      build_args_(other.build_args_),
-      check_for_bad_items_(true) {
+      build_args_(other.build_args_) {
 }
 
 BuildSettings::~BuildSettings() {