Added icu support for FreeBSD

icu.gyp

 # Copyright (c) 2011 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.
 
 {
   'variables': {
     'use_system_icu%': 0,
     'icu_use_data_file_flag%': 0,
   },
   'target_defaults': {
@@ skipping 49 matching lines @@
               'type': 'none',
               'copies': [
                 {
                   'destination': '<(PRODUCT_DIR)',
                   'files': [
                     'windows/icudt.dll',
                   ],
                 },
               ],
             }],
-            [ 'OS != "linux" or chromeos == 1', {
+            [ 'OS == "win" or OS == "mac" or chromeos == 1', {
               'sources!': ['linux/icudt46l_dat.S'],
             }],
             [ 'OS != "mac"', {
               'sources!': ['mac/icudt46l_dat.S'],
             }],
             [ 'chromeos != 1', {
               'sources!': ['cros/icudt46l_dat.S'],
             }],
             [ 'OS != "win" and icu_use_data_file_flag', {
               # Remove any assembly data file.
@@ skipping 189 matching lines @@
             # ICU headers instead of the ones in ../WebKit/JavaScriptCore/wtf,
             # also in WebKit's include path.
             # TODO(mark): The triple + is a bug.  It should be a double +.  It
             # seems that a + is being chopped off when the "target" section is
             # merged into "target_defaults".
             'include_dirs+++': [
               'public/i18n',
             ],
           },
           'conditions': [
-            [ 'OS=="linux"', {
+            [ 'os_posix==1 and OS!="mac"', {
               # Since ICU wants to internally use its own deprecated APIs, don't
               # complain about it.
               'cflags': [
                 '-Wno-deprecated-declarations',
               ],
               'cflags_cc': [
                 '-frtti',
               ],
             }],
             ['OS == "mac"', {
@@ skipping 191 matching lines @@
                 ],
               }],
             ],
           },
           'conditions': [
             [ 'OS == "win"', {
               'sources': [
                 'source/stubdata/stubdata.c',
               ],
             }],
-            [ 'OS == "linux"', {
+            [ 'os_posix==1 and OS!="mac"', {
               'cflags': [
                 # Since ICU wants to internally use its own deprecated APIs,
                 # don't complain about it.
                 '-Wno-deprecated-declarations',
                 '-Wno-unused-function',
               ],
               'cflags_cc': [
                 '-frtti',
               ],
             }],
@@ skipping 46 matching lines @@
         {
           'target_name': 'icuuc',
           'type': 'none',
           'dependencies': ['system_icu'],
           'export_dependent_settings': ['system_icu'],
         },
       ],
     }],
   ],
 }