GN Doc fix. Visibility default is public.

tools/gn/variables.cc

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "tools/gn/variables.h"
 
 namespace variables {
 
 // Built-in variables ----------------------------------------------------------
 
@@ skipping 914 matching lines @@
     "\n"
     "Patterns\n"
     "\n"
     "  See \"gn help label_pattern\" for more details on what types of\n"
     "  patterns are supported. If a toolchain is specified, only targets\n"
     "  in that toolchain will be matched. If a toolchain is not specified on\n"
     "  a pattern, targets in all toolchains will be matched.\n"
     "\n"
     "Examples\n"
     "\n"
-    "  Only targets in the current buildfile (\"private\", the default):\n"
+    "  Only targets in the current buildfile (\"private\"):\n"
     "    visibility = [ \":*\" ]\n"
     "\n"
     "  No targets (used for targets that should be leaf nodes):\n"
     "    visibility = []\n"
     "\n"
-    "  Any target (\"public\"):\n"
+    "  Any target (\"public\", the default):\n"
     "    visibility = [ \"*\" ]\n"
     "\n"
     "  All targets in the current directory and any subdirectory:\n"
     "    visibility = [ \"./*\" ]\n"
     "\n"
     "  Any target in \"//bar/BUILD.gn\":\n"
     "    visibility = [ \"//bar:*\" ]\n"
     "\n"
     "  Any target in \"//bar/\" or any subdirectory thereof:\n"
     "    visibility = [ \"//bar/*\"\n ]"
@@ skipping 74 matching lines @@
     INSERT_VARIABLE(Sources)
     INSERT_VARIABLE(Testonly)
     INSERT_VARIABLE(Visibility)
   }
   return info_map;
 }
 
 #undef INSERT_VARIABLE
 
 }  // namespace variables