Disable BITS downloader until stability issues due to crbug.com/475872

components/component_updater/configurator_impl.cc

 // Copyright 2014 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/component_updater/configurator_impl.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
@@ skipping 91 matching lines @@
       background_downloads_enabled_(false),
       fallback_to_alt_source_url_enabled_(false) {
   // Parse comma-delimited debug flags.
   std::vector<std::string> switch_values = base::SplitString(
       cmdline->GetSwitchValueASCII(switches::kComponentUpdater), ",",
       base::KEEP_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
   fast_update_ = HasSwitchValue(switch_values, kSwitchFastUpdate);
   pings_enabled_ = !HasSwitchValue(switch_values, kSwitchDisablePings);
   deltas_enabled_ = !HasSwitchValue(switch_values, kSwitchDisableDeltaUpdates);
 
-#if defined(OS_WIN)
-  background_downloads_enabled_ =
-      !HasSwitchValue(switch_values, kSwitchDisableBackgroundDownloads);
-#else
+  // Disable BITS on all platforms in all cases until crbug.com/475872 is
+  // resolved.
   background_downloads_enabled_ = false;
-#endif
 
   const std::string switch_url_source =
       GetSwitchArgument(switch_values, kSwitchUrlSource);
   if (!switch_url_source.empty()) {
     url_source_override_ = GURL(switch_url_source);
     DCHECK(url_source_override_.is_valid());
   }
 
   if (HasSwitchValue(switch_values, kSwitchRequestParam))
     extra_info_ += "testrequest=\"1\"";
@@ skipping 62 matching lines @@
 
 bool ConfiguratorImpl::UseBackgroundDownloader() const {
   return background_downloads_enabled_;
 }
 
 void ConfiguratorImpl::set_enable_alt_source_url(bool enable_alt_source_url) {
   fallback_to_alt_source_url_enabled_ = enable_alt_source_url;
 }
 
 }  // namespace component_updater