Remove ICU usage from jni_helpers.cc.

talk/build/common.gypi

 #
 # libjingle
 # Copyright 2012 Google Inc.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
 #
 #  1. Redistributions of source code must retain the above copyright notice,
 #     this list of conditions and the following disclaimer.
 #  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 23 matching lines @@
     # TODO(ronghuawu): For now, disable the Chrome plugins, which causes a
     # flood of chromium-style warnings.
     'clang_use_chrome_plugins%': 0,
     'conditions': [
       ['OS=="android" or OS=="linux"', {
         'java_home%': '<!(python -c "import os; dir=os.getenv(\'JAVA_HOME\', \'/usr/lib/jvm/java-7-openjdk-amd64\'); assert os.path.exists(os.path.join(dir, \'include/jni.h\')), \'Point \\$JAVA_HOME or the java_home gyp variable to a directory containing include/jni.h!\'; print dir")',
       }],
     ],
     # Disable these to not build components which can be externally provided.
     'build_expat%': 1,
-    'build_icu%': 1,
     'build_json%': 1,
     'build_libsrtp%': 1,
     'build_libyuv%': 1,
     'build_usrsctp%': 1,
     # Make it possible to provide custom locations for some libraries.
     'libyuv_dir%': '<(DEPTH)/third_party/libyuv',
 
     # Disable this to skip building source requiring GTK.
     'use_gtk%': 1,
   },
@@ skipping 99 matching lines @@
           'HASH_NAMESPACE=__gnu_cxx',
           'WEBRTC_POSIX',
           'DISABLE_DYNAMIC_CAST',
           # The POSIX standard says we have to define this.
           '_REENTRANT',
         ],
       }],
     ],
   }, # target_defaults
 }