MD Settings: Stop using prefs to populate import data dialog.

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

 <link rel="import" href="chrome://resources/cr_elements/cr_dialog/cr_dialog.html">
 <link rel="import" href="chrome://resources/html/i18n_behavior.html">
 <link rel="import" href="chrome://resources/html/md_select_css.html">
 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="chrome://resources/html/web_ui_listener_behavior.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/iron-icon/iron-icon.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-button/paper-button.html">
 <link rel="import" href="chrome://resources/polymer/v1_0/paper-spinner/paper-spinner.html">
-<link rel="import" href="../controls/settings_checkbox.html">
+<link rel="import" href="chrome://resources/polymer/v1_0/paper-checkbox/paper-checkbox.html">
 <link rel="import" href="../controls/settings_toggle_button.html">
 <link rel="import" href="../i18n_setup.html">
 <link rel="import" href="../icons.html">
 <link rel="import" href="import_data_browser_proxy.html">
-<link rel="import" href="../prefs/prefs_behavior.html">
 <link rel="import" href="../settings_vars_css.html">
 
 <dom-module id="settings-import-data-dialog">
   <template>
     <style include="settings-shared md-select">
       .description {
         align-items: center;
         display: flex;
-        min-height: var(--settings-row-min-height);
       }
 
       paper-spinner {
         margin: 0 8px;
       }
 
       #successIcon {
         fill: var(--paper-blue-600);
         height: 80px;
         margin: auto;
         width: 100%;
       }
+
+      .row {
+        min-height: var(--settings-row-min-height);
+      }
     </style>
     <dialog is="cr-dialog" id="dialog" close-text="$i18n{close}" ignore-popstate>
       <div class="title">$i18n{importTitle}</div>
       <div class="body">
         <div hidden$="[[!hasImportStatus_(
             importStatusEnum_.SUCCEEDED, importStatus_)]]">
           <iron-icon id="successIcon" icon="settings:check-circle">
           </iron-icon>
-          <div hidden$="[[!prefs.import_bookmarks.value]]">
-            <div class="description">$i18n{importSuccess}</div>
+          <div hidden$="[[!showBookmarkSuccess_]]">
+            <div class="description row">$i18n{importSuccess}</div>
             <settings-toggle-button class="start"
                 label="$i18n{showBookmarksBar}"
                 pref="{{prefs.bookmark_bar.show_on_all_tabs}}">
             </settings-toggle-button>
           </div>
         </div>
 
         <div hidden$="[[hasImportStatus_(
               importStatusEnum_.SUCCEEDED, importStatus_)]]">
           <span class="md-select-wrapper">
             <select id="browserSelect" class="md-select"
                 on-change="onBrowserProfileSelectionChange_">
               <template is="dom-repeat" items="[[browserProfiles_]]">
                 <option value="[[item.index]]">[[item.name]]</option>
               </template>
             </select>
             <span class="md-select-underline"></span>
           </span>
-          <div class="description">$i18n{importDescription}</div>
-          <settings-checkbox
-              hidden="[[!selected_.history]]"
-              pref="{{prefs.import_history}}"
-              label="$i18n{importHistory}">
-          </settings-checkbox>
-          <settings-checkbox
-              hidden="[[!selected_.favorites]]"
-              pref="{{prefs.import_bookmarks}}"
-              label="$i18n{importFavorites}">
-          </settings-checkbox>
-          <settings-checkbox
-              hidden="[[!selected_.passwords]]"
-              pref="{{prefs.import_saved_passwords}}"
-              label="$i18n{importPasswords}">
-          </settings-checkbox>
-          <settings-checkbox
-              hidden="[[!selected_.search]]"
-              pref="{{prefs.import_search_engine}}"
-              label="$i18n{importSearch}">
-          </settings-checkbox>
-          <settings-checkbox
-              hidden="[[!selected_.autofillFormData]]"
-              pref="{{prefs.import_autofill_form_data}}"
-              label="$i18n{importAutofillFormData}">
-          </settings-checkbox>
+          <div class="description row">$i18n{importDescription}</div>
+          <div on-change="onCheckboxChange_">
+            <div class="row" hidden$="[[!selected_.history]]">
+              <paper-checkbox id="history" checked>
+                $i18n{importHistory}
+              </paper-checkbox>
+            </div>
+            <div class="row" hidden$="[[!selected_.favorites]]">
+              <paper-checkbox id="favorites" checked>
+                $i18n{importFavorites}
+              </paper-checkbox>
+            </div>
+            <div class="row" hidden$="[[!selected_.passwords]]">
+              <paper-checkbox id="passwords" checked>
+                $i18n{importPasswords}"
+              </paper-checkbox>
+            </div>
+            <div class="row" hidden$="[[!selected_.search]]">
+              <paper-checkbox id="search" checked>
+                $i18n{importSearch}
+              </paper-checkbox>
+            </div>
+            <div class="row" hidden="[[!selected_.autofillFormData]]">
+              <paper-checkbox id="autofillFormData" checked>
+                $i18n{importAutofillFormData}
+              </paper-checkbox>
+            </div>
+          </div>
         </div>
       </div>
       <div class="button-container">
         <paper-spinner
             active="[[hasImportStatus_(
                 importStatusEnum_.IN_PROGRESS, importStatus_)]]"
             hidden="[[hasImportStatus_(
                 importStatusEnum_.SUCCEEDED, importStatus_)]]">
         </paper-spinner>
         <paper-button id="cancel" class="cancel-button"
@@ skipping 15 matching lines @@
 
         <paper-button id="done" class="action-button"
             hidden$="[[!hasImportStatus_(
                 importStatusEnum_.SUCCEEDED, importStatus_)]]"
             on-tap="closeDialog_">$i18n{done}</paper-button>
       </div>
     </dialog>
   </template>
   <script src="import_data_dialog.js"></script>
 </dom-module>