Create interface to manage manual exceptions.

chrome/browser/resources/options/managed_user_settings.js

Index: chrome/browser/resources/options/managed_user_settings.js
diff --git a/chrome/browser/resources/options/managed_user_settings.js b/chrome/browser/resources/options/managed_user_settings.js
index b94cc959961e7e2a4238bc19fc5f19c1f0339108..0c2e9790cbe1d0e2f9eab0da618bd7e5528732ee 100644
--- a/chrome/browser/resources/options/managed_user_settings.js
+++ b/chrome/browser/resources/options/managed_user_settings.js
@@ -59,6 +59,21 @@ cr.define('options', function() {
       // Call base class implementation to start preference initialization.
       SettingsDialog.prototype.initializePage.call(this);
 
+      var exceptionsButtons =
+          this.pageDiv.querySelectorAll('.exceptions-list-button');
+      exceptionsButtons[0].onclick = function(event) {
+        var page = ManagedUserSettingsExceptionsArea.getInstance();
+        var url = page.name;
+        window.history.replaceState({pageName: page.name},
+                                    page.title,
+                                    '/' + url);
+
+        OptionsPage.navigateToPage('manualExceptions');
+        uber.invokeMethodOnParent('setPath', {path: url});
+        uber.invokeMethodOnParent('setTitle',
+            {title: loadTimeData.getString('manualExceptionsTabTitle')});
+      };
+
       $('get-content-packs-button').onclick = function(event) {
         window.open(loadTimeData.getString('getContentPacksURL'));
       };
@@ -178,6 +193,32 @@ cr.define('options', function() {
     }
   };
 
+  /**
+   * Initializes an exceptions list.
+   * @param {Array} list An array of pairs, where the first element of each pair
+   *     is the filter string, and the second is the setting (allow/block).
+   */
+  ManagedUserSettings.setManualExceptions = function(list) {
+    var exceptionsList =
+        document.querySelector('div#manual-exceptions list');
+    exceptionsList.setManualExceptions(list);
+  };
+
+  /**
+   * The browser's response to a request to check the validity of a given URL
+   * pattern.
+   * @param {string} mode The browser mode.
+   * @param {string} pattern The pattern.
+   * @param {bool} valid Whether said pattern is valid in the context of
+   *     a content exception setting.
+   */
+  ManagedUserSettings.patternValidityCheckComplete =
+      function(pattern, valid) {
+    var exceptionsList =
+        document.querySelector('div#manual-exceptions list');
+    exceptionsList.patternValidityCheckComplete(pattern, valid);
+  };
+
   // Export
   return {
     ManagedUserSettings: ManagedUserSettings,