Implement the skeleton of an android content shell.

base/base.gypi

 # Copyright (c) 2012 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
       # This part is shared between the targets defined below.
       ['base_target==1', {
         'sources': [
           '../build/build_config.h',
           'third_party/dmg_fp/dmg_fp.h',
           'third_party/dmg_fp/g_fmt.cc',
           'third_party/dmg_fp/dtoa_wrapper.cc',
           'third_party/icu/icu_utf.cc',
           'third_party/icu/icu_utf.h',
           'third_party/nspr/prtime.cc',
           'third_party/nspr/prtime.h',
           'third_party/nspr/prcpucfg_linux.h',
           'third_party/xdg_mime/xdgmime.h',
+          'android/base_jni_registrar.cc',
+          'android/base_jni_registrar.h',
           'android/build_info.cc',
           'android/build_info.h',
           'android/scoped_java_ref.cc',
           'android/scoped_java_ref.h',
           'android/jni_android.cc',
           'android/jni_android.h',
           'android/jni_array.cc',
           'android/jni_array.h',
+          'android/jni_helper.cc',
+          'android/jni_helper.h',
+          'android/jni_registrar.cc',
+          'android/jni_registrar.h',
           'android/jni_string.cc',
           'android/jni_string.h',
           'android/path_utils.cc',
           'android/path_utils.h',
           'at_exit.cc',
           'at_exit.h',
           'atomic_ref_count.h',
           'atomic_sequence_num.h',
           'atomicops.h',
           'atomicops_internals_x86_gcc.cc',
@@ skipping 876 matching lines @@
             'third_party/xdg_mime/xdgmimemagic.c',
             'third_party/xdg_mime/xdgmimemagic.h',
             'third_party/xdg_mime/xdgmimeparent.c',
             'third_party/xdg_mime/xdgmimeparent.h',
           ],
         },
       ],
     }],
   ],
 }