Add UI to the Clear Browsing Data dialog to remove Flash LSO data.

chrome/browser/resources/options/clear_browser_data_overlay.js

 // Copyright (c) 2010 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.
 
 cr.define('options', function() {
 
   var OptionsPage = options.OptionsPage;
 
   /**
    * ClearBrowserData class
@@ skipping 18 matching lines @@
      * Initialize the page.
      */
     initializePage: function() {
       // Call base class implementation to starts preference initialization.
       OptionsPage.prototype.initializePage.call(this);
 
       // Setup option values for the time period select control.
       $('clearBrowsingDataTimePeriod').initializeValues(
           templateData.clearBrowsingDataTimeList);
 
-      var f = this.updateCommitButtonState_.bind(this);
+      var updateCommitButton = this.updateCommitButtonState_.bind(this);
       var types = ['browser.clear_data.browsing_history',
                    'browser.clear_data.download_history',
                    'browser.clear_data.cache',
                    'browser.clear_data.cookies',
                    'browser.clear_data.passwords',
+                   'browser.clear_data.lso_data',
                    'browser.clear_data.form_data'];
       types.forEach(function(type) {
-          Preferences.getInstance().addEventListener(type, f);
+          Preferences.getInstance().addEventListener(type, updateCommitButton);
       });
 
       var checkboxes = document.querySelectorAll(
           '#checkboxListData input[type=checkbox]');
       for (var i = 0; i < checkboxes.length; i++) {
-        checkboxes[i].onclick = f;
+        checkboxes[i].onclick = updateCommitButton;
       }
-      this.updateCommitButtonState_();
+      updateCommitButton();
+
+      var checkbox = $('deleteLSODataCheckbox');
+      // Listen to pref changes.
+      Preferences.getInstance().addEventListener(
+          'browser.clear_data.lso_data',
+          function(event) {
+            var value = event.value && event.value['value'];
+            checkbox.pref_value = Boolean(value);
+            checkbox.managed = event.value && event.value['managed'];
+            checkbox.updateState();
+          });
+
+      ClearBrowserDataOverlay.setClearPluginLSODataEnabled = function(enabled) {
+        checkbox.manually_disabled = !enabled;
+        checkbox.updateState();
+      };
+
+      // Listen to user events.
+      checkbox.addEventListener('click', function(e) {
+        Preferences.setBooleanPref('browser.clear_data.lso_data',
+                                   checkbox.checked, checkbox.metric);
+      });
+
+      checkbox.updateState = function() {
+        checkbox.checked = checkbox.pref_value && !checkbox.manually_disabled;
+        checkbox.disabled = checkbox.managed || checkbox.manually_disabled;
+        updateCommitButton();
+      };
 
       // Setup click handler for the clear(Ok) button.
       $('clearBrowsingDataCommit').onclick = function(event) {
         chrome.send('performClearBrowserData');
       };
     },
 
     // Set the enabled state of the commit button.
     updateCommitButtonState_: function() {
       var checkboxes = document.querySelectorAll(
@@ skipping 12 matching lines @@
   //
   // Chrome callbacks
   //
   ClearBrowserDataOverlay.setClearingState = function(state) {
     $('deleteBrowsingHistoryCheckbox').disabled = state;
     $('deleteDownloadHistoryCheckbox').disabled = state;
     $('deleteCacheCheckbox').disabled = state;
     $('deleteCookiesCheckbox').disabled = state;
     $('deletePasswordsCheckbox').disabled = state;
     $('deleteFormDataCheckbox').disabled = state;
+    $('deleteLSODataCheckbox').disabled = state;
     $('clearBrowsingDataTimePeriod').disabled = state;
     $('clearBrowsingDataDismiss').disabled = state;
     $('cbdThrobber').style.visibility = state ? 'visible' : 'hidden';
 
     if (state)
       $('clearBrowsingDataCommit').disabled = true;
     else
       ClearBrowserDataOverlay.getInstance().updateCommitButtonState_();
 
     function advanceThrobber() {
@@ skipping 16 matching lines @@
     this.setClearingState(false);
   }
 
   // Export
   return {
     ClearBrowserDataOverlay: ClearBrowserDataOverlay
   };
 
 });