Revert of Implement Android key/value backup

chrome/browser/android/chrome_backup_agent.cc

Index: chrome/browser/android/chrome_backup_agent.cc
diff --git a/chrome/browser/android/chrome_backup_agent.cc b/chrome/browser/android/chrome_backup_agent.cc
deleted file mode 100644
index e04d413918eada4097ec67a5a56be59c95f2fe5e..0000000000000000000000000000000000000000
--- a/chrome/browser/android/chrome_backup_agent.cc
+++ /dev/null
@@ -1,121 +0,0 @@
-// 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 "components/prefs/pref_service.h"
-#include "components/sync/base/pref_names.h"
-#include "jni/ChromeBackupAgent_jni.h"
-
-namespace {
-
-const char* backed_up_preferences_[] = {
-    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,
-    syncer::prefs::kSyncHistoryDeleteDirectives,
-    syncer::prefs::kSyncPasswords,
-    syncer::prefs::kSyncPreferences,
-    syncer::prefs::kSyncPriorityPreferences,
-    syncer::prefs::kSyncSessions,
-    syncer::prefs::kSyncSupervisedUserSettings,
-    syncer::prefs::kSyncSupervisedUserSharedSettings,
-    syncer::prefs::kSyncSupervisedUserWhitelists,
-    syncer::prefs::kSyncTabs,
-    syncer::prefs::kSyncTypedUrls,
-    syncer::prefs::kSyncSuppressStart,
-};
-
-}  // namespace
-
-static base::android::ScopedJavaLocalRef<jobjectArray> GetBoolBackupNames(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jobject>& jcaller) {
-  return base::android::ToJavaArrayOfStrings(
-      env, chrome::android::GetBackupPrefNames());
-}
-
-static base::android::ScopedJavaLocalRef<jbooleanArray> GetBoolBackupValues(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jobject>& jcaller) {
-  PrefService* prefs = ProfileManager::GetLastUsedProfile()->GetPrefs();
-  constexpr int pref_count = arraysize(backed_up_preferences_);
-  jboolean values[pref_count];
-
-  for (int i = 0; i < pref_count; i++) {
-    values[i] = prefs->GetBoolean(backed_up_preferences_[i]);
-  }
-  jbooleanArray array = env->NewBooleanArray(pref_count);
-  env->SetBooleanArrayRegion(array, 0, pref_count, values);
-  return base::android::ScopedJavaLocalRef<jbooleanArray>(env, array);
-}
-
-static void SetBoolBackupPrefs(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jobject>& jcaller,
-    const base::android::JavaParamRef<jobjectArray>& names,
-    const base::android::JavaParamRef<jbooleanArray>& values) {
-  std::vector<std::string> pref_names;
-  base::android::AppendJavaStringArrayToStringVector(env, names, &pref_names);
-  jboolean* pref_values = env->GetBooleanArrayElements(values, nullptr);
-  std::unordered_set<std::string> valid_prefs(
-      std::begin(backed_up_preferences_), std::end(backed_up_preferences_));
-
-  PrefService* prefs = ProfileManager::GetLastUsedProfile()->GetPrefs();
-  for (unsigned int i = 0; i < pref_names.size(); i++) {
-    if (valid_prefs.count(pref_names[i])) {
-      prefs->SetBoolean(pref_names[i], pref_values[i]);
-    }
-  }
-  prefs->CommitPendingWrite();
-}
-
-namespace chrome {
-namespace android {
-
-std::vector<std::string> GetBackupPrefNames() {
-  return std::vector<std::string>(std::begin(backed_up_preferences_),
-                                  std::end(backed_up_preferences_));
-}
-
-bool RegisterBackupAgent(JNIEnv* env) {
-  return RegisterNativesImpl(env);
-}
-
-base::android::ScopedJavaLocalRef<jobjectArray> GetBoolBackupNamesForTesting(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jobject>& jcaller) {
-  return GetBoolBackupNames(env, jcaller);
-}
-
-base::android::ScopedJavaLocalRef<jbooleanArray> GetBoolBackupValuesForTesting(
-    JNIEnv* env,
-    const base::android::JavaParamRef<jobject>& jcaller) {
-  return GetBoolBackupValues(env, jcaller);
-}
-
-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