Get signals working in the EXTRA_DATA section of MHTML

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 1758 matching lines @@
      MULTI_VALUE_TYPE(kProgressBarCompletionChoices)},
 #endif  // OS_ANDROID
 #if defined(OS_ANDROID)
     {"offline-bookmarks", flag_descriptions::kOfflineBookmarksName,
      flag_descriptions::kOfflineBookmarksDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(offline_pages::kOfflineBookmarksFeature)},
     {"offline-pages-async-download",
      flag_descriptions::kOfflinePagesAsyncDownloadName,
      flag_descriptions::kOfflinePagesAsyncDownloadDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(offline_pages::kOfflinePagesAsyncDownloadFeature)},
+    {"offline-pages-load-signal-collecting",
+     flag_descriptions::kOfflinePagesLoadSignalCollectingName,
+     flag_descriptions::kOfflinePagesLoadSignalCollectingDescription,
+     kOsAndroid,
+     FEATURE_VALUE_TYPE(
+         offline_pages::kOfflinePagesLoadSignalCollectingFeature)},
     {"offline-pages-sharing", flag_descriptions::kOfflinePagesSharingName,
      flag_descriptions::kOfflinePagesSharingDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(offline_pages::kOfflinePagesSharingFeature)},
     {"offline-pages-prefetching",
      flag_descriptions::kOfflinePagesPrefetchingName,
      flag_descriptions::kOfflinePagesPrefetchingDescription, kOsAndroid,
      FEATURE_VALUE_TYPE(offline_pages::kPrefetchingOfflinePagesFeature)},
     {"background-loader-for-downloads",
      flag_descriptions::kBackgroundLoaderForDownloadsName,
      flag_descriptions::kBackgroundLoaderForDownloadsDescription, kOsAndroid,
@@ skipping 897 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags