Backup and restore data reduction state

chrome/browser/android/chrome_backup_agent.cc

 // Copyright 2016 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.
 
 #include <jni.h>
 
 #include <iterator>
 #include <string>
 #include <vector>
 
 #include "base/android/jni_array.h"
 #include "chrome/browser/android/chrome_backup_agent.h"
 #include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/common/pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/sync/base/pref_names.h"
 #include "jni/ChromeBackupAgent_jni.h"
 
 namespace {
 
 const char* backed_up_preferences_[] = {
+    prefs::kDataSaverEnabled,
     syncer::prefs::kSyncFirstSetupComplete,
     syncer::prefs::kSyncKeepEverythingSynced,
     syncer::prefs::kSyncAutofillProfile,
     syncer::prefs::kSyncAutofillWallet,
     syncer::prefs::kSyncAutofillWalletMetadata,
     syncer::prefs::kSyncAutofill,
     syncer::prefs::kSyncBookmarks,
     syncer::prefs::kSyncDeviceInfo,
     syncer::prefs::kSyncFaviconImages,
     syncer::prefs::kSyncFaviconTracking,
@@ skipping 81 matching lines @@
 void SetBoolBackupPrefsForTesting(
     JNIEnv* env,
     const base::android::JavaParamRef<jobject>& jcaller,
     const base::android::JavaParamRef<jobjectArray>& names,
     const base::android::JavaParamRef<jbooleanArray>& values) {
   SetBoolBackupPrefs(env, jcaller, names, values);
 }
 
 }  //  namespace android
 }  //  namespace chrome