Site Settings: Use only string values for permissions on the JS side.

chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js

Index: chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js
diff --git a/chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js b/chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js
index 3ba16931c8b26a9e3d8b0ae0f440693cda8e7dc1..45f6bc6a7023e8e91ba73a5795f18a182a51971c 100644
--- a/chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js
+++ b/chrome/browser/resources/settings/site_settings/site_settings_prefs_browser_proxy.js
@@ -63,10 +63,10 @@ cr.define('settings', function() {
     /**
      * Resets the category permission for a given origin (expressed as primary
      *    and secondary patterns).
-     * @param {!string} primaryPattern The origin to change (primary pattern).
-     * @param {!string} secondaryPattern The embedding origin to change
+     * @param {string} primaryPattern The origin to change (primary pattern).
+     * @param {string} secondaryPattern The embedding origin to change
      *    (secondary pattern).
-     * @param {!number} contentType The category to change.
+     * @param {number} contentType The category to change.
      */
     resetCategoryPermissionForOrigin: function(
         primaryPattern, secondaryPattern, contentType) {},
@@ -74,11 +74,11 @@ cr.define('settings', function() {
     /**
      * Sets the category permission for a given origin (expressed as primary
      *    and secondary patterns).
-     * @param {!string} primaryPattern The origin to change (primary pattern).
-     * @param {!string} secondaryPattern The embedding origin to change
+     * @param {string} primaryPattern The origin to change (primary pattern).
+     * @param {string} secondaryPattern The embedding origin to change
      *    (secondary pattern).
-     * @param {!number} contentType The category to change.
-     * @param {!number} value The value to change the permission to.
+     * @param {number} contentType The category to change.
+     * @param {string} value The value to change the permission to.
      */
     setCategoryPermissionForOrigin: function(
         primaryPattern, secondaryPattern, contentType, value) {},