[Sync] Componentize AutofillWalletDataTypeController.

chrome/browser/sync/glue/autofill_wallet_data_type_controller.cc

Index: chrome/browser/sync/glue/autofill_wallet_data_type_controller.cc
diff --git a/chrome/browser/sync/glue/autofill_wallet_data_type_controller.cc b/chrome/browser/sync/glue/autofill_wallet_data_type_controller.cc
deleted file mode 100644
index 063666f8746c898c24333c8d5dc7c8e7aaf1233f..0000000000000000000000000000000000000000
--- a/chrome/browser/sync/glue/autofill_wallet_data_type_controller.cc
+++ /dev/null
@@ -1,158 +0,0 @@
-// Copyright 2015 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 "chrome/browser/sync/glue/autofill_wallet_data_type_controller.h"
-
-#include "base/bind.h"
-#include "base/prefs/pref_service.h"
-#include "chrome/browser/sync/glue/chrome_report_unrecoverable_error.h"
-#include "chrome/common/pref_names.h"
-#include "components/autofill/core/browser/personal_data_manager.h"
-#include "components/autofill/core/browser/webdata/autofill_webdata_service.h"
-#include "components/sync_driver/sync_client.h"
-#include "components/sync_driver/sync_service.h"
-#include "content/public/browser/browser_thread.h"
-#include "sync/api/sync_error.h"
-#include "sync/api/syncable_service.h"
-
-using content::BrowserThread;
-
-namespace browser_sync {
-
-AutofillWalletDataTypeController::AutofillWalletDataTypeController(
-    sync_driver::SyncClient* sync_client,
-    syncer::ModelType model_type)
-    : NonUIDataTypeController(
-          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
-          base::Bind(&ChromeReportUnrecoverableError),
-          sync_client),
-      sync_client_(sync_client),
-      callback_registered_(false),
-      model_type_(model_type),
-      currently_enabled_(IsEnabled()) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK(model_type_ == syncer::AUTOFILL_WALLET_DATA ||
-         model_type_ == syncer::AUTOFILL_WALLET_METADATA);
-  pref_registrar_.Init(sync_client_->GetPrefService());
-  pref_registrar_.Add(
-      autofill::prefs::kAutofillWalletSyncExperimentEnabled,
-      base::Bind(&AutofillWalletDataTypeController::OnSyncPrefChanged,
-                 base::Unretained(this)));
-  pref_registrar_.Add(
-      autofill::prefs::kAutofillWalletImportEnabled,
-      base::Bind(&AutofillWalletDataTypeController::OnSyncPrefChanged,
-                 base::Unretained(this)));
-}
-
-AutofillWalletDataTypeController::~AutofillWalletDataTypeController() {
-}
-
-syncer::ModelType AutofillWalletDataTypeController::type() const {
-  return model_type_;
-}
-
-syncer::ModelSafeGroup
-    AutofillWalletDataTypeController::model_safe_group() const {
-  return syncer::GROUP_DB;
-}
-
-bool AutofillWalletDataTypeController::PostTaskOnBackendThread(
-    const tracked_objects::Location& from_here,
-    const base::Closure& task) {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  return BrowserThread::PostTask(BrowserThread::DB, from_here, task);
-}
-
-bool AutofillWalletDataTypeController::StartModels() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  DCHECK_EQ(state(), MODEL_STARTING);
-
-  scoped_refptr<autofill::AutofillWebDataService> web_data_service =
-      sync_client_->GetWebDataService();
-
-  if (!web_data_service)
-    return false;
-
-  if (web_data_service->IsDatabaseLoaded())
-    return true;
-
-  if (!callback_registered_) {
-     web_data_service->RegisterDBLoadedCallback(base::Bind(
-          &AutofillWalletDataTypeController::OnModelLoaded, this));
-     callback_registered_ = true;
-  }
-
-  return false;
-}
-
-void AutofillWalletDataTypeController::StopModels() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  // This function is called when shutting down (nothing is changing), when
-  // sync is disabled completely, or when wallet sync is disabled. In the
-  // cases where wallet sync or sync in general is disabled, clear wallet cards
-  // and addresses copied from the server. This is different than other sync
-  // cases since this type of data reflects what's on the server rather than
-  // syncing local data between clients, so this extra step is required.
-  sync_driver::SyncService* service = sync_client_->GetSyncService();
-
-  // HasSyncSetupCompleted indicates if sync is currently enabled at all. The
-  // preferred data type indicates if wallet sync data/metadata is enabled, and
-  // currently_enabled_ indicates if the other prefs are enabled. All of these
-  // have to be enabled to sync wallet data/metadata.
-  if (!service->HasSyncSetupCompleted() ||
-      !service->GetPreferredDataTypes().Has(type()) ||
-      !currently_enabled_) {
-    autofill::PersonalDataManager* pdm = sync_client_->GetPersonalDataManager();
-    if (pdm)
-      pdm->ClearAllServerData();
-  }
-}
-
-bool AutofillWalletDataTypeController::ReadyForStart() const {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-  return currently_enabled_;
-}
-
-void AutofillWalletDataTypeController::OnSyncPrefChanged() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  bool new_enabled = IsEnabled();
-  if (currently_enabled_ == new_enabled)
-    return;  // No change to sync state.
-  currently_enabled_ = new_enabled;
-
-  if (currently_enabled_) {
-    // The experiment was just enabled. Trigger a reconfiguration. This will do
-    // nothing if the type isn't preferred.
-    sync_driver::SyncService* sync_service = sync_client_->GetSyncService();
-    sync_service->ReenableDatatype(type());
-  } else {
-    // Post a task to the backend thread to stop the datatype.
-    if (state() != NOT_RUNNING && state() != STOPPING) {
-      PostTaskOnBackendThread(
-          FROM_HERE,
-          base::Bind(&DataTypeController::OnSingleDataTypeUnrecoverableError,
-                     this,
-                     syncer::SyncError(
-                         FROM_HERE,
-                         syncer::SyncError::DATATYPE_POLICY_ERROR,
-                         "Wallet syncing is disabled by policy.",
-                         type())));
-    }
-  }
-}
-
-bool AutofillWalletDataTypeController::IsEnabled() {
-  DCHECK_CURRENTLY_ON(BrowserThread::UI);
-
-  // Require both the sync experiment and the user-visible pref to be
-  // enabled to sync Wallet data/metadata.
-  PrefService* ps = sync_client_->GetPrefService();
-  return
-      ps->GetBoolean(autofill::prefs::kAutofillWalletSyncExperimentEnabled) &&
-      ps->GetBoolean(autofill::prefs::kAutofillWalletImportEnabled);
-}
-
-}  // namespace browser_sync