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

chrome/browser/resources/options/clear_browser_data_overlay.js

Index: chrome/browser/resources/options/clear_browser_data_overlay.js
diff --git a/chrome/browser/resources/options/clear_browser_data_overlay.js b/chrome/browser/resources/options/clear_browser_data_overlay.js
index 501e462927513019b5c1a9cc6a1f598b892ab883..0072ffd5de5af49932f995df43350777f1f37b70 100644
--- a/chrome/browser/resources/options/clear_browser_data_overlay.js
+++ b/chrome/browser/resources/options/clear_browser_data_overlay.js
@@ -36,23 +36,52 @@ cr.define('options', function() {
       $('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) {
@@ -85,6 +114,7 @@ cr.define('options', function() {
     $('deleteCookiesCheckbox').disabled = state;
     $('deletePasswordsCheckbox').disabled = state;
     $('deleteFormDataCheckbox').disabled = state;
+    $('deleteLSODataCheckbox').disabled = state;
     $('clearBrowsingDataTimePeriod').disabled = state;
     $('clearBrowsingDataDismiss').disabled = state;
     $('cbdThrobber').style.visibility = state ? 'visible' : 'hidden';