Add new feature flag to enable background loader for downloads

components/offline_pages/offline_page_feature.cc

 // Copyright 2015 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 "components/offline_pages/offline_page_feature.h"
 
 #include <string>
 
 #include "base/feature_list.h"
 
@@ skipping 11 matching lines @@
    "OfflinePagesBackgroundLoading", base::FEATURE_DISABLED_BY_DEFAULT
 };
 
 const base::Feature kOfflinePagesCTFeature {
    "OfflinePagesCT", base::FEATURE_DISABLED_BY_DEFAULT
 };
 
 const base::Feature kOfflinePagesSharingFeature{
     "OfflinePagesSharing", base::FEATURE_DISABLED_BY_DEFAULT};
 
+const base::Feature kBackgroundLoadingForDownloadsFeature{
+    "BackgroundLoadingForDownloads", base::FEATURE_ENABLED_BY_DEFAULT};
+
 bool IsOfflinePagesEnabled() {
   return IsOfflineBookmarksEnabled() || IsOffliningRecentPagesEnabled() ||
          IsOfflinePagesBackgroundLoadingEnabled() ||
-         IsOfflinePagesCTEnabled() || IsOfflinePagesSharingEnabled();
+         IsOfflinePagesCTEnabled() || IsOfflinePagesSharingEnabled() ||
+         IsBackgroundLoadingForDownloadsEnabled();

[Ted C, 2016/08/19 16:23:26]

../../components/offline_pages/offline_page_feature.cc:39:10: error: use of
undeclared identifier 'IsBackgroundLoadingForDownloadsEnabled'; did you mean
'IsBackgroundLoaderForDownloadsEnabled'?

Looks like the name in the header is wrong vs what you have below

[chili, 2016/08/19 20:20:02]

Oops. Thanks for the catch!

 }
 
 bool IsOfflineBookmarksEnabled() {
   return base::FeatureList::IsEnabled(kOfflineBookmarksFeature);
 }
 
 bool IsOffliningRecentPagesEnabled() {
   return  base::FeatureList::IsEnabled(kOffliningRecentPagesFeature);
 }
 
 bool IsOfflinePagesBackgroundLoadingEnabled() {
   return base::FeatureList::IsEnabled(kOfflinePagesBackgroundLoadingFeature);
 }
 
 bool IsOfflinePagesCTEnabled() {
   return base::FeatureList::IsEnabled(kOfflinePagesCTFeature);
 }
 
 bool IsOfflinePagesSharingEnabled() {
   return base::FeatureList::IsEnabled(kOfflinePagesSharingFeature);
 }
 
+bool IsBackgroundLoadingForDownloadsEnabled() {
+  return base::FeatureList::IsEnabled(kBackgroundLoadingForDownloadsFeature);
+}
+
 }  // namespace offline_pages