Upstream ios/web/navigation

ios/web/ios_web.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': [
     {
@@ skipping 55 matching lines @@
         'public/web_state/crw_web_controller_observer.h',
         'public/web_state/crw_web_delegate.h',
         'public/web_state/crw_web_user_interface_delegate.h'
         'public/web_state/crw_web_view_proxy.h'
         'public/web_state/js/crw_js_base_manager.h',
         'public/web_state/js/crw_js_early_script_manager.h',
         'public/web_state/js/crw_js_injection_evaluator.h',
         'public/web_state/js/crw_js_injection_manager.h',
         'public/web_state/js/crw_js_injection_receiver.h',
         'public/web_state/js/crw_js_message_manager.h',
+        'public/web_state/page_scroll_state.h',
+        'public/web_state/page_scroll_state.mm',
         'public/web_state/url_verification_constants.h',
         'public/web_state/web_state_observer.h',
         'public/web_state/web_state_observer_bridge.h',
         'public/web_thread.h',
         'public/web_view_type.h',
         'string_util.cc',
         'url_scheme_util.mm',
         'url_util.cc',
         'user_metrics.cc',
         'weak_nsobject_counter.h',
@@ skipping 83 matching lines @@
         'public/test/test_web_state.cc',
         'public/test/test_web_state.h',
         'public/test/test_web_thread.h',
         'public/test/test_web_thread_bundle.h',
         'test/test_web_thread.cc',
         'test/test_web_thread_bundle.cc',
       ],
     },
   ],
 }