Options/MD Settings: use new prefs to drive import data dialog

chrome/browser/resources/settings/people_page/import_data_dialog.js

 // 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.
 
 /**
  * @fileoverview 'settings-import-data-dialog' is a component for importing
  * bookmarks and other data from other sources.
  */
 Polymer({
   is: 'settings-import-data-dialog',
@@ skipping 59 matching lines @@
         function(importStatus) {
           this.importStatus_ = importStatus;
           if (this.hasImportStatus_(settings.ImportDataStatus.FAILED))
             this.closeDialog_();
         }.bind(this));
   },
 
   /** @private */
   prefsChanged_: function() {
     this.noImportDataTypeSelected_ =
-        !(this.getPref('import_history').value && this.selected_.history) &&
-        !(this.getPref('import_bookmarks').value && this.selected_.favorites) &&
-        !(this.getPref('import_saved_passwords').value &&
-            this.selected_.passwords) &&
-        !(this.getPref('import_search_engine').value &&
-            this.selected_.search) &&
-        !(this.getPref('import_autofill_form_data').value &&
-            this.selected_.autofillFormData);
+        !(this.getPref('import_dialog_history').value &&
+          this.selected_.history) &&
+        !(this.getPref('import_dialog_bookmarks').value &&
+          this.selected_.favorites) &&
+        !(this.getPref('import_dialog_saved_passwords').value &&
+          this.selected_.passwords) &&
+        !(this.getPref('import_dialog_search_engine').value &&
+          this.selected_.search) &&
+        !(this.getPref('import_dialog_autofill_form_data').value &&
+          this.selected_.autofillFormData);
   },
 
   /**
    * @param {!settings.ImportDataStatus} status
    * @return {boolean} Whether |status| is the current status.
    * @private
    */
   hasImportStatus_: function(status) {
     return this.importStatus_ == status;
   },
@@ skipping 34 matching lines @@
 
   /**
    * @return {boolean} Whether the import button should be disabled.
    * @private
    */
   shouldDisableImport_: function() {
     return this.hasImportStatus_(settings.ImportDataStatus.IN_PROGRESS) ||
         this.noImportDataTypeSelected_;
   },
 });