GN: Fix Android component build

components/bookmarks.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //components/bookmarks/browser
       'target_name': 'bookmarks_browser',
       'type': 'static_library',
@@ skipping 42 matching lines @@
         'bookmarks/browser/bookmark_pasteboard_helper_mac.mm',
         'bookmarks/browser/bookmark_storage.cc',
         'bookmarks/browser/bookmark_storage.h',
         'bookmarks/browser/bookmark_utils.cc',
         'bookmarks/browser/bookmark_utils.h',
         'bookmarks/browser/scoped_group_bookmark_actions.cc',
         'bookmarks/browser/scoped_group_bookmark_actions.h',
       ],
       'conditions': [
         ['OS == "android"', {
+          # In GN, this android-specific stuff is its own target at
+          # //components/bookmarks/common/android
+          # TODO(cjhopman): This should be its own target in Gyp, too.
           'dependencies': [
             'bookmarks_jni_headers',
           ],
           'sources' : [
             'bookmarks/common/android/bookmark_id.cc',
             'bookmarks/common/android/bookmark_id.h',
             'bookmarks/common/android/bookmark_type_list.h',
             'bookmarks/common/android/component_jni_registrar.cc',
             'bookmarks/common/android/component_jni_registrar.h',
           ],
@@ skipping 82 matching lines @@
           'type': 'none',
           'variables': {
             'source_file': 'bookmarks/common/android/bookmark_type.h',
           },
           'includes': [ '../build/android/java_cpp_enum.gypi' ],
         },
       ],
     }]
   ],
 }