Port parts of //third_pary/libjingle build to GN

chrome/browser/ui/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.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 gypi_values = exec_script(
     "//build/gypi_to_gn.py",
@@ skipping 79 matching lines @@
       "//device/bluetooth",
       "//device/nfc",
       "//media",
       "//mojo/system",
       "//net:net_with_v8",
       "//third_party/adobe/flash:flapper_version_h",
       "//third_party/expat",
       "//third_party/hunspell",
       "//third_party/leveldatabase",
       "//third_party/npapi",
+      "//third_party/libjingle",
       "//third_party/re2",
       "//ui/compositor",
       "//ui/surface",
       "//ui/web_dialogs",
       "//v8",
       "//webkit:resources",
       "//webkit/browser:storage",
       "//webkit/common",
       "//webkit/common:storage",
       #'debugger',  TODO(GYP)
       #'installer_util',  TODO(GYP)
-      #'../third_party/libjingle/libjingle.gyp:libjingle',  TODO(GYP)
     ]
     # TODO(GYP)
     #'defines': [
     #  '<@(nacl_defines)',
     #],
     #'direct_dependent_settings': {
     #  'defines': [
     #    '<@(nacl_defines)',
     #  ],
     #  },
@@ skipping 288 matching lines @@
     script = "//chrome/tools/build/mac/generate_localizer"
     sources = [ ]
     table_path = "$target_gen_dir/ui_localizer_table.h"
     outputs = [ table_path ]
     args = [ rebase_path(table_path, root_build_dir) ] +
              rebase_path(nib_gypi_values.mac_translated_xibs,
                          root_build_dir,
                          "//chrome")
   }
 }