Add libxslt to the GN build.

This is a reland of r275819 https://codereview.chromium.org/317253003 but without compiling it on Android.

TBR=scottmg

Review URL: https://codereview.chromium.org/338493003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@276816 0039d316-1c4b-4281-b951-d872f2087c98

BUILD.gn

@@ -69,6 +69,7 @@ group("root") {
     "//third_party/libusb",
     "//third_party/libwebm",
     "//third_party/libwebp",
+    "//third_party/libxslt",
     "//third_party/libyuv",
     "//third_party/mesa",
     "//third_party/ots",
@@ -137,6 +138,10 @@ group("root") {
       "//ppapi:ppapi_c",
       "//sandbox",
       "//third_party/libusb",
+
+      # Seems to not be compiled on Android. Otherwise it will need a config.h.
+      "//third_party/libxslt",
+
       "//tools/gn",
       "//ui/aura",
 

third_party/libxslt/BUILD.gn

+# Copyright 2014 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.
+
+config("libxslt_config") {
+  defines = [ "LIBXSLT_STATIC" ]
+  include_dirs = [ "." ]
+}
+
+static_library("libxslt") {
+  sources = [
+    "libxslt/attributes.c",
+    "libxslt/attributes.h",
+    "libxslt/attrvt.c",
+    "libxslt/documents.c",
+    "libxslt/documents.h",
+    "libxslt/extensions.c",
+    "libxslt/extensions.h",
+    "libxslt/extra.c",
+    "libxslt/extra.h",
+    "libxslt/functions.c",
+    "libxslt/functions.h",
+    "libxslt/imports.c",
+    "libxslt/imports.h",
+    "libxslt/keys.c",
+    "libxslt/keys.h",
+    "libxslt/libxslt.h",
+    "libxslt/namespaces.c",
+    "libxslt/namespaces.h",
+    "libxslt/numbers.c",
+    "libxslt/numbersInternals.h",
+    "libxslt/pattern.c",
+    "libxslt/pattern.h",
+    "libxslt/preproc.c",
+    "libxslt/preproc.h",
+    "libxslt/security.c",
+    "libxslt/security.h",
+    "libxslt/templates.c",
+    "libxslt/templates.h",
+    "libxslt/transform.c",
+    "libxslt/transform.h",
+    "libxslt/trio.h",
+    "libxslt/triodef.h",
+    "libxslt/variables.c",
+    "libxslt/variables.h",
+    "libxslt/win32config.h",
+    "libxslt/xslt.c",
+    "libxslt/xslt.h",
+    "libxslt/xsltconfig.h",
+    "libxslt/xsltexports.h",
+    "libxslt/xsltInternals.h",
+    "libxslt/xsltlocale.c",
+    "libxslt/xsltlocale.h",
+    "libxslt/xsltutils.c",
+    "libxslt/xsltutils.h",
+    "libxslt/xsltwin32config.h",
+    "linux/config.h",
+    "mac/config.h",
+  ]
+
+  configs -= [ "//build/config/compiler:chromium_code" ]
+  configs += [ "//build/config/compiler:no_chromium_code" ]
+  direct_dependent_configs = [ ":libxslt_config" ]
+
+  if (is_linux) {
+    include_dirs = [ "linux" ]
+  } else if (is_win) {
+    include_dirs = [ "win32" ]
+  } else if (is_mac) {
+    include_dits = [ "mac" ]
+  }
+
+  if (is_clang) {
+    cflags = [ "-Wno-pointer-sign" ]
+  }
+
+  deps = [
+    "//third_party/libxml",
+  ]
+}