Adding a new feature to enable/disable parallel downloading

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index 809f2f539e657788015e9c8a55d2d85e66ef7a00..fe299e53256faf4179b5ca73d10f86596521930c 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -167,6 +167,9 @@ const base::Feature kOfflinePageDownloadSuggestionsFeature{
 const base::Feature kOverrideYouTubeFlashEmbed{
     "OverrideYouTubeFlashEmbed", base::FEATURE_ENABLED_BY_DEFAULT};
 
+const base::Feature kParallelDownloading{
+    "ParallelDownloading", base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Enables Permissions Blacklisting via Safe Browsing.
 const base::Feature kPermissionsBlacklist{
     "PermissionsBlacklist", base::FEATURE_DISABLED_BY_DEFAULT};