Issue 3222 - Don`t do localization in the contentPolicy module

lib/contentPolicy.js

Index: lib/contentPolicy.js
===================================================================
--- a/lib/contentPolicy.js
+++ b/lib/contentPolicy.js
@@ -29,35 +29,16 @@ let {Prefs} = require("prefs");
 let {FilterStorage} = require("filterStorage");
 let {BlockingFilter, WhitelistFilter, RegExpFilter} = require("filterClasses");
 let {defaultMatcher} = require("matcher");
 let {objectMouseEventHander} = require("objectTabs");
 let {RequestNotifier} = require("requestNotifier");
 let {ElemHide} = require("elemHide");
 
 /**
- * Set of explicitly supported content types
- * @type Set
- */
-let contentTypes = new Set([
-  "OTHER", "SCRIPT", "IMAGE", "STYLESHEET", "OBJECT", "SUBDOCUMENT", "DOCUMENT",
-  "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT", "MEDIA", "ELEMHIDE", "POPUP",
-  "GENERICHIDE", "GENERICBLOCK"
-]);
-
-/**
- * Set of content types that aren't associated with a visual document area
- * @type Set
- */
-let nonVisualTypes = new Set([
-  "SCRIPT", "STYLESHEET", "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT",
-  "ELEMHIDE", "POPUP", "GENERICHIDE", "GENERICBLOCK"
-]);
-
-/**
  * Randomly generated class name, to be applied to collapsed nodes.
  */
 let collapsedClass = "";
 
 /**
  * Maps numerical content type IDs to strings.
  * @type Map
  */
@@ -65,20 +46,33 @@ let types = new Map();
 
 /**
  * Public policy checking functions and auxiliary objects
  * @class
  */
 var Policy = exports.Policy =
 {
   /**
-   * Map of localized content type names by their identifiers.
-   * @type Map
+   * Set of explicitly supported content types
+   * @type Set
    */
-  localizedDescr: new Map(),
+  contentTypes: new Set([
+    "OTHER", "SCRIPT", "IMAGE", "STYLESHEET", "OBJECT", "SUBDOCUMENT", "DOCUMENT",
+    "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT", "MEDIA", "ELEMHIDE", "POPUP",
+    "GENERICHIDE", "GENERICBLOCK"
+  ]),
+
+  /**
+   * Set of content types that aren't associated with a visual document area
+   * @type Set
+   */
+  nonVisualTypes: new Set([
+    "SCRIPT", "STYLESHEET", "XMLHTTPREQUEST", "OBJECT_SUBREQUEST", "FONT",
+    "ELEMHIDE", "POPUP", "GENERICHIDE", "GENERICBLOCK"
+  ]),
 
   /**
    * Map containing all schemes that should be ignored by content policy.
    * @type Set
    */
   whitelistSchemes: new Set(),
 
   /**
@@ -87,20 +81,16 @@ var Policy = exports.Policy =
   init: function()
   {
     // Populate types map
     let iface = Ci.nsIContentPolicy;
     for (let name in iface)
       if (name.indexOf("TYPE_") == 0 && name != "TYPE_DATAREQUEST")
         types.set(iface[name], name.substr(5));
 
-    // Populate localized type names
-    for (let typeName of contentTypes)
-      this.localizedDescr.set(typeName, Utils.getString("type_label_" + typeName.toLowerCase()));
-
     // whitelisted URL schemes
     for (let scheme of Prefs.whitelistschemes.toLowerCase().split(" "))
       this.whitelistSchemes.add(scheme);
 
     // Generate class identifier used to collapse node and register corresponding
     // stylesheet.
     let offset = "a".charCodeAt(0);
     for (let i = 0; i < 20; i++)
@@ -127,17 +117,17 @@ var Policy = exports.Policy =
    */
   processNode: function(wnd, node, contentType, location, collapse)
   {
     let topWnd = wnd.top;
     if (!topWnd || !topWnd.location || !topWnd.location.href)
       return true;
 
     // Interpret unknown types as "other"
-    if (!contentTypes.has(contentType))
+    if (!this.contentTypes.has(contentType))
       contentType = "OTHER";
 
     let originWindow = Utils.getOriginWindow(wnd);
     let wndLocation = originWindow.location.href;
     let docDomain = getHostname(wndLocation);
     let match = null;
     let [sitekey, sitekeyWnd] = getSitekey(wnd);
     let nogeneric = false;
@@ -228,17 +218,17 @@ var Policy = exports.Policy =
     }
 
     let thirdParty = (contentType == "ELEMHIDE" ? false : isThirdParty(location, docDomain));
 
     if (!match && Prefs.enabled && RegExpFilter.typeMap.hasOwnProperty(contentType))
     {
       match = defaultMatcher.matchesAny(location, RegExpFilter.typeMap[contentType],
                                         docDomain, thirdParty, sitekey, nogeneric);
-      if (match instanceof BlockingFilter && node.ownerDocument && !nonVisualTypes.has(contentType))
+      if (match instanceof BlockingFilter && node.ownerDocument && !this.nonVisualTypes.has(contentType))
       {
         let prefCollapse = (match.collapse != null ? match.collapse : !Prefs.fastcollapse);
         if (collapse || prefCollapse)
           schedulePostProcess(node);
       }
 
       // Track mouse events for objects
       if (!match && contentType == "OBJECT" && node.nodeType == Ci.nsIDOMNode.ELEMENT_NODE)