s/app_shell_browsertests/extensions_browsertests/g

extensions/test/data/system/memory/test_memory_api.js

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // system.memory api test
-// app_shell_browsertests --gtest_filter=SystemMemoryApiTest.*
+// extensions_browsertests --gtest_filter=SystemMemoryApiTest.*
 
 chrome.test.runTests([
   function testGet() {
     for(var i = 0; i < 10; ++i) {
       chrome.system.memory.getInfo(chrome.test.callbackPass(function(result) {
         chrome.test.assertEq(4096, result.capacity);
         chrome.test.assertEq(1024, result.availableCapacity);
       }));
     }
   }
 ]);