Update freetype sources (2.6.2) in third party.

third_party/freetype2/BUILD.gn

 # Copyright (c) 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.
 
-assert(is_linux, "This file should only be depended on from Linux.")
-
 config("freetype2_config") {
   include_dirs = [
     "include",
     "src/include",
   ]
 }
 
-shared_library("freetype2") {
+static_library("freetype2") {

[viettrungluu, 2015/12/15 21:58:10]

Maybe just "source_set"?

[Sean Klein, 2015/12/15 22:32:25]

Done.

   output_name = "freetype"
-  output_extension = "so.6"
 
   sources = [
     "src/src/autofit/autofit.c",
     "src/src/base/ftbase.c",
     "src/src/base/ftbbox.c",
     "src/src/base/ftbdf.c",
     "src/src/base/ftbitmap.c",
     "src/src/base/ftcid.c",
     "src/src/base/ftdebug.c",
+    "src/src/base/ftfntfmt.c",
     "src/src/base/ftfstype.c",
     "src/src/base/ftgasp.c",
     "src/src/base/ftglyph.c",
     "src/src/base/ftgxval.c",
     "src/src/base/ftinit.c",
     "src/src/base/ftlcdfil.c",
     "src/src/base/ftmm.c",
     "src/src/base/ftpfr.c",
     "src/src/base/ftstroke.c",
     "src/src/base/ftsynth.c",
     "src/src/base/ftsystem.c",
     "src/src/base/fttype1.c",
     "src/src/base/ftwinfnt.c",
-    "src/src/base/ftxf86.c",
     "src/src/bdf/bdf.c",
     "src/src/cff/cff.c",
     "src/src/cid/type1cid.c",
     "src/src/gzip/ftgzip.c",
     "src/src/lzw/ftlzw.c",
     "src/src/pcf/pcf.c",
     "src/src/pfr/pfr.c",
     "src/src/psaux/psaux.c",
     "src/src/pshinter/pshinter.c",
     "src/src/psnames/psnames.c",
     "src/src/raster/raster.c",
     "src/src/sfnt/sfnt.c",
     "src/src/smooth/smooth.c",
     "src/src/truetype/truetype.c",
     "src/src/type1/type1.c",
     "src/src/type42/type42.c",
     "src/src/winfonts/winfnt.c",
   ]
 
   defines = [
-    "FT_CONFIG_OPTION_SYSTEM_ZLIB",
     "FT2_BUILD_LIBRARY",
     "FT_CONFIG_CONFIG_H=<ftconfig.h>",  # See comments in README.chromium.
     "FT_CONFIG_MODULES_H=<ftmodule.h>",  # See comments in README.chromium.
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]
   configs += [ "//build/config/compiler:no_chromium_code" ]
   configs += [ ":freetype2_config" ]
 
   public_configs = [ ":freetype2_config" ]
 
-  libs = [ "z" ]
+  deps = [
+    "//third_party/zlib",
+  ]
 }