[iOS] Upstream observer bridges

ios/chrome/ios_chrome.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
    },
   'targets': [
     {
       'target_name': 'ios_chrome_browser',
       'type': 'static_library',
       'include_dirs': [
         '../..',
       ],
       'dependencies': [
         '../../base/base.gyp:base',
+        '../../base/base.gyp:base_prefs',
         '../../components/components.gyp:autofill_core_browser',
         '../../components/components.gyp:autofill_ios_browser',
         '../../components/components.gyp:data_reduction_proxy_core_common',
         '../../components/components.gyp:dom_distiller_core',
         '../../components/components.gyp:dom_distiller_ios',
         '../../components/components.gyp:infobars_core',
         '../../components/components.gyp:keyed_service_core',
         '../../components/components.gyp:keyed_service_ios',
         '../../components/components.gyp:leveldb_proto',
         '../../components/components.gyp:suggestions',
         '../../components/components.gyp:translate_core_browser',
         '../../components/components.gyp:translate_ios_browser',
+        '../../components/components.gyp:sync_driver',
         '../../components/components.gyp:web_resource',
         '../../components/components.gyp:webp_transcode',
         '../../components/components_strings.gyp:components_strings',
         '../../net/net.gyp:net',
         '../../skia/skia.gyp:skia',
         '../../third_party/google_toolbox_for_mac/google_toolbox_for_mac.gyp:google_toolbox_for_mac',
         '../../ui/base/ui_base.gyp:ui_base',
         '../../ui/gfx/gfx.gyp:gfx',
         '../../url/url.gyp:url_lib',
         '../provider/ios_provider_chrome.gyp:ios_provider_chrome_browser',
@@ skipping 79 matching lines @@
         'browser/net/metrics_network_client.h',
         'browser/net/metrics_network_client.mm',
         'browser/net/metrics_network_client_manager.h',
         'browser/net/metrics_network_client_manager.mm',
         'browser/net/retryable_url_fetcher.h',
         'browser/net/retryable_url_fetcher.mm',
         'browser/passwords/password_generation_utils.h',
         'browser/passwords/password_generation_utils.mm',
         'browser/pref_names.cc',
         'browser/pref_names.h',
+        'browser/prefs/pref_observer_bridge.h',
+        'browser/prefs/pref_observer_bridge.mm',
         'browser/snapshots/snapshot_cache.h',
         'browser/snapshots/snapshot_cache.mm',
         'browser/snapshots/snapshot_manager.h',
         'browser/snapshots/snapshot_manager.mm',
         'browser/snapshots/snapshot_overlay.h',
         'browser/snapshots/snapshot_overlay.mm',
         'browser/snapshots/snapshots_util.h',
         'browser/snapshots/snapshots_util.mm',
         'browser/suggestions/image_fetcher_impl.h',
         'browser/suggestions/image_fetcher_impl.mm',
         'browser/suggestions/suggestions_service_factory.h',
         'browser/suggestions/suggestions_service_factory.mm',
+        'browser/sync/sync_observer_bridge.h',
+        'browser/sync/sync_observer_bridge.mm',
         'browser/translate/after_translate_infobar_controller.h',
         'browser/translate/after_translate_infobar_controller.mm',
         'browser/translate/before_translate_infobar_controller.h',
         'browser/translate/before_translate_infobar_controller.mm',
         'browser/translate/chrome_ios_translate_client.h',
         'browser/translate/chrome_ios_translate_client.mm',
         'browser/translate/never_translate_infobar_controller.h',
         'browser/translate/never_translate_infobar_controller.mm',
         'browser/translate/translate_accept_languages_factory.cc',
         'browser/translate/translate_accept_languages_factory.h',
@@ skipping 78 matching lines @@
         '../../ios/web/js_compile.gypi',
       ],
       'link_settings': {
         'mac_bundle_resources': [
           '<(SHARED_INTERMEDIATE_DIR)/find_in_page.js',
         ],
       },
     },
   ],
 }