Bug 1150862, make about:reader unlinkable from content on mobile, r=margaret

--HG--
extra : rebase_source : e56c7408964fcd4270b8a7dfd5382fbe19dd260e
extra : histedit_source : 50ef7e5fde34a9abe8f446d89a0c803720805d25

mobile/android/components/AboutRedirector.js

@@ -62,6 +62,7 @@ let modules = {
   reader: {
     uri: "chrome://global/content/reader/aboutReader.html",
     privileged: false,
+    dontLink: true,
     hide: true
   },
   feedback: {
@@ -109,6 +110,8 @@ AboutRedirector.prototype = {
     let moduleInfo = this._getModuleInfo(aURI);
     if (moduleInfo.hide)
       flags = Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT;
+    if (moduleInfo.dontLink)
+      flags = flags | Ci.nsIAboutModule.MAKE_UNLINKABLE;
 
     return flags | Ci.nsIAboutModule.ALLOW_SCRIPT;
   },