Add public deps to GN

tools/gn/functions.cc

Index: tools/gn/functions.cc
diff --git a/tools/gn/functions.cc b/tools/gn/functions.cc
index f02c7e80a16938a1871fdf81378718d20b1cf0ca..c68eda53adcae947ee252754d8c5c4a2b416e917 100644
--- a/tools/gn/functions.cc
+++ b/tools/gn/functions.cc
@@ -197,8 +197,8 @@ const char kConfig_Help[] =
     "   1. The values specified directly on the target (rather than using a\n"
     "      config.\n"
     "   2. The configs specified in the target's \"configs\" list, in order.\n"
-    "   3. Direct dependent configs from a breadth-first traversal of the\n"
-    "      dependency tree in the order that the targets appear in \"deps\".\n"
+    "   3. Public_configs from a breadth-first traversal of the dependency\n"
+    "      tree in the order that the targets appear in \"deps\".\n"
     "   4. All dependent configs from a breadth-first traversal of the\n"
     "      dependency tree in the order that the targets appear in \"deps\".\n"
     "\n"
@@ -206,7 +206,7 @@ const char kConfig_Help[] =
     CONFIG_VALUES_VARS_HELP
     "\n"
     "Variables on a target used to apply configs:\n"
-    "  all_dependent_configs, configs, direct_dependent_configs,\n"
+    "  all_dependent_configs, configs, public_configs,\n"
     "  forward_dependent_configs_from\n"
     "\n"
     "Example:\n"