Implement Android key/value backup

chrome/browser/BUILD.gn

 # 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.
 
 import("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 2914 matching lines @@
       "android/bookmarks/partner_bookmarks_shim.cc",
       "android/bookmarks/partner_bookmarks_shim.h",
       "android/bottombar/overlay_panel_content.cc",
       "android/bottombar/overlay_panel_content.h",
       "android/browsing_data/browsing_data_counter_bridge.cc",
       "android/browsing_data/browsing_data_counter_bridge.h",
       "android/browsing_data/url_filter_bridge.cc",
       "android/browsing_data/url_filter_bridge.h",
       "android/chrome_application.cc",
       "android/chrome_application.h",
+      "android/chrome_backup_agent.cc",
+      "android/chrome_backup_agent.h",
+      "android/chrome_backup_watcher.cc",
       "android/chrome_feature_list.cc",
       "android/chrome_feature_list.h",
       "android/chrome_jni_registrar.cc",
       "android/chrome_jni_registrar.h",
       "android/chrome_startup_flags.cc",
       "android/chrome_startup_flags.h",
       "android/compositor/compositor_view.cc",
       "android/compositor/compositor_view.h",
       "android/compositor/decoration_title.cc",
       "android/compositor/decoration_title.h",
@@ skipping 863 matching lines @@
 }
 
 if (android_java_ui) {
   generate_jni("jni_headers") {
     sources = [
       "../android/java/src/org/chromium/chrome/browser/AfterStartupTaskUtils.java",
       "../android/java/src/org/chromium/chrome/browser/ApplicationLifetime.java",
       "../android/java/src/org/chromium/chrome/browser/BackgroundSyncLauncher.java",
       "../android/java/src/org/chromium/chrome/browser/BluetoothChooserDialog.java",
       "../android/java/src/org/chromium/chrome/browser/ChromeApplication.java",
+      "../android/java/src/org/chromium/chrome/browser/ChromeBackupAgent.java",
+      "../android/java/src/org/chromium/chrome/browser/ChromeBackupWatcher.java",
       "../android/java/src/org/chromium/chrome/browser/ChromeFeatureList.java",
       "../android/java/src/org/chromium/chrome/browser/ChromeHttpAuthHandler.java",
       "../android/java/src/org/chromium/chrome/browser/DevToolsServer.java",
       "../android/java/src/org/chromium/chrome/browser/IntentHelper.java",
       "../android/java/src/org/chromium/chrome/browser/JavaExceptionReporter.java",
       "../android/java/src/org/chromium/chrome/browser/JavascriptAppModalDialog.java",
       "../android/java/src/org/chromium/chrome/browser/PasswordUIView.java",
       "../android/java/src/org/chromium/chrome/browser/SSLClientCertificateRequest.java",
       "../android/java/src/org/chromium/chrome/browser/ServiceTabLauncher.java",
       "../android/java/src/org/chromium/chrome/browser/ShortcutHelper.java",
@@ skipping 577 matching lines @@
   # linking all of the test support.
   static_library("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }