Add a button to clear local storage for a given origin to Website Settings dialog.

chrome/browser/resources/options/website_settings_edit_page.js

Index: chrome/browser/resources/options/website_settings_edit_page.js
diff --git a/chrome/browser/resources/options/website_settings_edit_page.js b/chrome/browser/resources/options/website_settings_edit_page.js
index d19cf0d2188917c823064ff8698a151ddbb1bb6c..2c9f46abce470228912e42b09ac74a16e4a3540c 100644
--- a/chrome/browser/resources/options/website_settings_edit_page.js
+++ b/chrome/browser/resources/options/website_settings_edit_page.js
@@ -29,6 +29,10 @@ cr.define('options.WebsiteSettings', function() {
     initializePage: function() {
       Page.prototype.initializePage.call(this);
 
+      $('websiteSettingsStorageDeleteButton').onclick = function(event) {
+        chrome.send('deleteLocalStorage');
+      };
+
       $('websiteSettingsEditorCancelButton').onclick =
           PageManager.closeOverlay.bind(PageManager);
 
@@ -58,9 +62,10 @@ cr.define('options.WebsiteSettings', function() {
      * @param {string} local_storage A string describing the local storage use.
      * @param {Object} permissions A dictionary of permissions to their
      *     available and current settings, and if it is editable.
+     * @param {boolean} show_page If the page should raised.
      * @private
      */
-    populateOrigin_: function(local_storage, permissions) {
+    populateOrigin_: function(local_storage, permissions, show_page) {

[Bernhard Bauer, 2014/08/22 20:42:38]

This should be named showPage (same goes for local_storage, sorry I missed
that).

[Daniel Nishi, 2014/08/22 21:45:25]

Done.

       $('local-storage-title').textContent = local_storage;
       for (var key in permissions) {
         var selector = $(key + '-select-option');
@@ -77,7 +82,8 @@ cr.define('options.WebsiteSettings', function() {
         selector.originalValue = permissions[key].setting;
         selector.disabled = !permissions[key].editable;
       }
-      PageManager.showPageByName('websiteEdit', false);
+      if (show_page)
+        PageManager.showPageByName('websiteEdit', false);
     },
 
     updatePermissions: function() {
@@ -91,9 +97,11 @@ cr.define('options.WebsiteSettings', function() {
     },
   };
 
-  WebsiteSettingsEditor.populateOrigin = function(local_storage, permissions) {
+  WebsiteSettingsEditor.populateOrigin = function(local_storage, permissions,
+      show_page) {
     WebsiteSettingsEditor.getInstance().populateOrigin_(local_storage,
-                                                        permissions);
+                                                        permissions,
+                                                        show_page);
   };
 
   // Export