Bug 956151 - Remove the perm attribute in permissions.js. r=dao

browser/components/preferences/permissions.js

@@ -8,13 +8,12 @@ const nsICookiePermission = Components.interfaces.nsICookiePermission;
 
 const NOTIFICATION_FLUSH_PERMISSIONS = "flush-pending-permissions";
 
-function Permission(host, rawHost, type, capability, perm) 
+function Permission(host, rawHost, type, capability) 
 {
   this.host = host;
   this.rawHost = rawHost;
   this.type = type;
   this.capability = capability;
-  this.perm = perm;
 }
 
 var gPermissionManager = {
@@ -105,7 +104,7 @@ var gPermissionManager = {
         // Avoid calling the permission manager if the capability settings are
         // the same. Otherwise allow the call to the permissions manager to
         // update the listbox for us.
-        exists = this._permissions[i].perm == aCapability;
+        exists = this._permissions[i].capability == capabilityString;
         break;
       }
     }
@@ -335,8 +334,7 @@ var gPermissionManager = {
       var p = new Permission(host,
                              (host.charAt(0) == ".") ? host.substring(1,host.length) : host,
                              aPermission.type,
-                             capabilityString, 
-                             aPermission.capability);
+                             capabilityString);
       this._permissions.push(p);
     }  
   },