Base: Switch base_i18n to be a separate dll (component build)

base/base.gypi

 # 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.
 
 {
   'target_defaults': {
     'variables': {
       'base_target': 0,
     },
     'target_conditions': [
@@ skipping 603 matching lines @@
           # TODO(gregoryd): direct_dependent_settings should be shared with the
           # 32-bit target, but it doesn't work due to a bug in gyp
           'direct_dependent_settings': {
             'include_dirs': [
               '..',
             ],
           },
           'defines': [
             '<@(nacl_win64_defines)',
           ],
-          'sources': [
-            'i18n/icu_util_nacl_win64.cc',
-          ],
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
           'conditions': [
             [ 'component == "shared_library"', {
               'sources!': [
                 'debug/debug_on_start_win.cc',
               ],
             }],
           ],
         },
         {
           'target_name': 'base_i18n_nacl_win64',
-          'type': 'static_library',
+          'type': '<(component)',
           # TODO(gregoryd): direct_dependent_settings should be shared with the
           # 32-bit target, but it doesn't work due to a bug in gyp
           'direct_dependent_settings': {
             'include_dirs': [
               '..',
             ],
           },
           'defines': [
             '<@(nacl_win64_defines)',
+            'BASE_I18N_IMPLEMENTATION',
           ],
           'include_dirs': [
             '..',
           ],
           'sources': [
             'i18n/icu_util_nacl_win64.cc',
           ],
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
@@ skipping 54 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',
           ],
         },
       ],
     }],
   ],
 }