Move files from the secondary GN directory to build.

tools/gn/secondary/build/config/linux/pkg-config.py

Index: tools/gn/secondary/build/config/linux/pkg-config.py
diff --git a/tools/gn/secondary/build/config/linux/pkg-config.py b/tools/gn/secondary/build/config/linux/pkg-config.py
deleted file mode 100644
index 40988d9792eada3a99ce7569fd67df8990edd388..0000000000000000000000000000000000000000
--- a/tools/gn/secondary/build/config/linux/pkg-config.py
+++ /dev/null
@@ -1,76 +0,0 @@
-# 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.
-
-import json
-import subprocess
-import sys
-import re
-from optparse import OptionParser
-
-# This script runs pkg-config, optionally filtering out some results, and
-# returns the result.
-#
-# The result will be [ <includes>, <cflags>, <libs>, <lib_dirs> ] where each
-# member is itself a list of strings.
-#
-# You can filter out matches using "-v <regexp>" where all results from
-# pkgconfig matching the given regular expression will be ignored. You can
-# specify more than one regular expression my specifying "-v" more than once.
-
-# If this is run on non-Linux platforms, just return nothing and indicate
-# success. This allows us to "kind of emulate" a Linux build from other
-# platforms.
-if sys.platform.find("linux") == -1:
-  print "[[],[],[]]"
-  sys.exit(0)
-
-parser = OptionParser()
-parser.add_option('-v', action='append', dest='strip_out', type='string')
-(options, args) = parser.parse_args()
-
-# Make a list of regular expressions to strip out.
-strip_out = []
-if options.strip_out != None:
-  for regexp in options.strip_out:
-    strip_out.append(re.compile(regexp))
-
-try:
-  flag_string = subprocess.check_output(["pkg-config", "--cflags", "--libs"] +
-      args)
-  # For now just split on spaces to get the args out. This will break if
-  # pkgconfig returns quoted things with spaces in them, but that doesn't seem
-  # to happen in practice.
-  all_flags = flag_string.strip().split(' ')
-except:
-  print "Could not run pkg-config."
-  sys.exit(1)
-
-includes = []
-cflags = []
-libs = []
-lib_dirs = []
-
-def MatchesAnyRegexp(flag, list_of_regexps):
-  for regexp in list_of_regexps:
-    if regexp.search(flag) != None:
-      return True
-  return False
-
-for flag in all_flags[:]:
-  if len(flag) == 0 or MatchesAnyRegexp(flag, strip_out):
-    continue;
-
-  if flag[:2] == '-l':
-    libs.append(flag[2:])
-  if flag[:2] == '-L':
-    lib_dirs.append(flag[2:])
-  elif flag[:2] == '-I':
-    includes.append(flag[2:])
-  else:
-    cflags.append(flag)
-
-# Output a GN array, the first one is the cflags, the second are the libs. The
-# JSON formatter prints GN compatible lists when everything is a list of
-# strings.
-print json.dumps([includes, cflags, libs, lib_dirs])