Add commandline flag for service workers.

chrome/browser/about_flags.cc

 // Copyright (c) 2012 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 1768 matching lines @@
     kOsAll,
     SINGLE_VALUE_TYPE(cc::switches::kDisableCompositorTouchHitTesting),
   },
   {
     "enable-streamlined-hosted-apps",
     IDS_FLAGS_ENABLE_STREAMLINED_HOSTED_APPS_NAME,
     IDS_FLAGS_ENABLE_STREAMLINED_HOSTED_APPS_DESCRIPTION,
     kOsWin | kOsCrOS,
     SINGLE_VALUE_TYPE(switches::kEnableStreamlinedHostedApps)
   },
+  {
+    "enable-service-worker",
+    IDS_FLAGS_ENABLE_SERVICE_WORKER_NAME,
+    IDS_FLAGS_ENABLE_SERVICE_WORKER_DESCRIPTION,
+    kOsAll,
+    SINGLE_VALUE_TYPE(switches::kEnableServiceWorker)
+  },
 };
 
 const Experiment* experiments = kExperiments;
 size_t num_experiments = arraysize(kExperiments);
 
 // Stores and encapsulates the little state that about:flags has.
 class FlagsState {
  public:
   FlagsState() : needs_restart_(false) {}
   void ConvertFlagsToSwitches(FlagsStorage* flags_storage,
@@ skipping 480 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags