Add flag to enable alternative services.

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 <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 714 matching lines @@
      "save-page-as-mhtml",  // FLAGS:RECORD_UMA
      IDS_FLAGS_SAVE_PAGE_AS_MHTML_NAME,
      IDS_FLAGS_SAVE_PAGE_AS_MHTML_DESCRIPTION,
      kOsMac | kOsWin | kOsLinux,
      SINGLE_VALUE_TYPE(switches::kSavePageAsMHTML)},
     {"enable-quic",
      IDS_FLAGS_ENABLE_QUIC_NAME,
      IDS_FLAGS_ENABLE_QUIC_DESCRIPTION,
      kOsAll,
      ENABLE_DISABLE_VALUE_TYPE(switches::kEnableQuic, switches::kDisableQuic)},
+    {"enable-alternative-services",
+     IDS_FLAGS_ENABLE_ALTSVC_NAME,
+     IDS_FLAGS_ENABLE_ALTSVC_DESCRIPTION,
+     kOsAll,
+     SINGLE_VALUE_TYPE(switches::kEnableAlternativeServices)},
     {"disable-media-source",
      IDS_FLAGS_DISABLE_MEDIA_SOURCE_NAME,
      IDS_FLAGS_DISABLE_MEDIA_SOURCE_DESCRIPTION,
      kOsAll,
      SINGLE_VALUE_TYPE(switches::kDisableMediaSource)},
     {"disable-encrypted-media",
      IDS_FLAGS_DISABLE_ENCRYPTED_MEDIA_NAME,
      IDS_FLAGS_DISABLE_ENCRYPTED_MEDIA_DESCRIPTION,
      kOsAll,
      SINGLE_VALUE_TYPE(switches::kDisableEncryptedMedia)},
@@ skipping 1978 matching lines @@
 }
 
 const Experiment* GetExperiments(size_t* count) {
   *count = num_experiments;
   return experiments;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags