Remove 'enable lazy background pages' from about:flags

chrome/browser/about_flags.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/about_flags.h"
 
 #include <algorithm>
 #include <iterator>
 #include <map>
 #include <set>
@@ skipping 110 matching lines @@
     SINGLE_VALUE_TYPE(switches::kEnableCloudPrintProxy)
   },
   {
     "crxless-web-apps",
     IDS_FLAGS_CRXLESS_WEB_APPS_NAME,
     IDS_FLAGS_CRXLESS_WEB_APPS_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kEnableCrxlessWebApps)
   },
   {
-    "lazy-background-pages",
-    IDS_FLAGS_LAZY_BACKGROUND_PAGES_NAME,
-    IDS_FLAGS_LAZY_BACKGROUND_PAGES_DESCRIPTION,
-    kOsAll,
-    SINGLE_VALUE_TYPE(switches::kEnableLazyBackgroundPages)
-  },
-  {
     "ignore-gpu-blacklist",
     IDS_FLAGS_IGNORE_GPU_BLACKLIST_NAME,
     IDS_FLAGS_IGNORE_GPU_BLACKLIST_DESCRIPTION,
     kOsAll,
     SINGLE_VALUE_TYPE(switches::kIgnoreGpuBlacklist)
   },
   {
     "force-compositing-mode-2",
     IDS_FLAGS_FORCE_COMPOSITING_MODE_NAME,
     IDS_FLAGS_FORCE_COMPOSITING_MODE_DESCRIPTION,
@@ skipping 724 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags