Introduce ManifestUpgradeDetector for WebAPK to detect web manifest changes.

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 811 matching lines @@
       'browser/android/dev_tools_server.h',
       'browser/android/document/document_web_contents_delegate.cc',
       'browser/android/dom_distiller/distiller_ui_handle_android.cc',
       'browser/android/dom_distiller/distiller_ui_handle_android.h',
       'browser/android/download/android_download_manager_overwrite_infobar_delegate.cc',
       'browser/android/download/android_download_manager_overwrite_infobar_delegate.h',
       'browser/android/download/chrome_download_delegate.cc',
       'browser/android/download/chrome_download_delegate.h',
       'browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc',
       'browser/android/download/chrome_download_manager_overwrite_infobar_delegate.h',
-      'browser/android/download/download_manager_service.cc',
-      'browser/android/download/download_manager_service.h',
       'browser/android/download/download_controller.cc',
       'browser/android/download/download_controller.h',
       'browser/android/download/download_controller_base.cc',
       'browser/android/download/download_controller_base.h',
+      'browser/android/download/download_manager_service.cc',
+      'browser/android/download/download_manager_service.h',
       'browser/android/download/download_overwrite_infobar_delegate.cc',
       'browser/android/download/download_overwrite_infobar_delegate.h',
       'browser/android/download/mock_download_controller.cc',
       'browser/android/download/mock_download_controller.h',
       'browser/android/favicon_helper.cc',
       'browser/android/favicon_helper.h',
       'browser/android/feature_utilities.cc',
       'browser/android/feature_utilities.h',
       'browser/android/feedback/connectivity_checker.cc',
       'browser/android/feedback/connectivity_checker.h',
@@ skipping 143 matching lines @@
       'browser/android/url_utilities.cc',
       'browser/android/url_utilities.h',
       'browser/android/usb/web_usb_chooser_service_android.cc',
       'browser/android/usb/web_usb_chooser_service_android.h',
       'browser/android/voice_search_tab_helper.cc',
       'browser/android/voice_search_tab_helper.h',
       'browser/android/warmup_manager.cc',
       'browser/android/warmup_manager.h',
       'browser/android/web_contents_factory.cc',
       'browser/android/web_contents_factory.h',
+      'browser/android/webapk/manifest_upgrade_detector.cc',
+      'browser/android/webapk/manifest_upgrade_detector.h',
       'browser/android/webapps/add_to_homescreen_data_fetcher.cc',
       'browser/android/webapps/add_to_homescreen_data_fetcher.h',
       'browser/android/webapps/add_to_homescreen_dialog_helper.cc',
       'browser/android/webapps/add_to_homescreen_dialog_helper.h',
       'browser/android/webapps/single_tab_mode_tab_helper.cc',
       'browser/android/webapps/single_tab_mode_tab_helper.h',
       'browser/android/webapps/webapp_registry.cc',
       'browser/android/webapps/webapp_registry.h',
       'browser/autofill/android/personal_data_manager_android.cc',
       'browser/autofill/android/personal_data_manager_android.h',
@@ skipping 1091 matching lines @@
       'android/java/src/org/chromium/chrome/browser/infobar/InfoBarContainer.java',
       'android/java/src/org/chromium/chrome/browser/infobar/PermissionUpdateInfoBarDelegate.java',
       'android/java/src/org/chromium/chrome/browser/infobar/SavePasswordInfoBar.java',
       'android/java/src/org/chromium/chrome/browser/infobar/SimpleConfirmInfoBarBuilder.java',
       'android/java/src/org/chromium/chrome/browser/infobar/UpdatePasswordInfoBar.java',
       'android/java/src/org/chromium/chrome/browser/invalidation/InvalidationServiceFactory.java',
       'android/java/src/org/chromium/chrome/browser/metrics/LaunchMetrics.java',
       'android/java/src/org/chromium/chrome/browser/ssl/SecurityStateModel.java',
       'android/java/src/org/chromium/chrome/browser/toolbar/ToolbarModel.java',
       'android/java/src/org/chromium/chrome/browser/webapps/AddToHomescreenDialogHelper.java',
+      'android/java/src/org/chromium/chrome/browser/webapps/ManifestUpgradeDetector.java',
       'android/java/src/org/chromium/chrome/browser/webapps/WebappRegistry.java',
     ],
     'chrome_browser_mdns_sources': [
       'browser/local_discovery/service_discovery_client_impl.cc',
       'browser/local_discovery/service_discovery_client_impl.h',
       'browser/local_discovery/service_discovery_client_mdns.cc',
       'browser/local_discovery/service_discovery_client_mdns.h',
       'browser/printing/cloud_print/privet_traffic_detector.cc',
       'browser/printing/cloud_print/privet_traffic_detector.h',
     ],
@@ skipping 2227 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }