Fixed minor issues.

js/blocked_number_controller.js

@@ -17,7 +17,7 @@
       try {
         this.load();
       } catch (e) {
-          console.warn(e);
+        window.log.warn(e);
       }
       return blockedNumbers;
     },
@@ -82,4 +82,4 @@
       return storage.isBlocked(number);
     },
   };
-  })();
+})();