Allow fallback from https to http for component update checks.

components/component_updater/configurator_impl.h

 // 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.
 
 #ifndef COMPONENTS_COMPONENT_UPDATER_CONFIGURATOR_IMPL_H_
 #define COMPONENTS_COMPONENT_UPDATER_CONFIGURATOR_IMPL_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "url/gurl.h"
 
 namespace base {
 class CommandLine;
 class Version;
 }
 
 namespace net {
 class URLRequestContextGetter;
 }
 
 namespace component_updater {
 
 // Helper class for the implementations of update_client::Configurator.
 // Can be used both on iOS and other platforms.
 class ConfiguratorImpl {
  public:
   ConfiguratorImpl(const base::CommandLine* cmdline,
-                   net::URLRequestContextGetter* url_request_getter);
+                   net::URLRequestContextGetter* url_request_getter,
+                   bool require_encryption);
 
   ~ConfiguratorImpl();
 
   // Delay in seconds from calling Start() to the first update check.
   int InitialDelay() const;
 
   // Delay in seconds to every subsequent update check. 0 means don't check.
   int NextCheckDelay() const;
 
   // Delay in seconds from each task step. Used to smooth out CPU/IO usage.
@@ skipping 44 matching lines @@
   bool UseCupSigning() const;
 
  private:
   net::URLRequestContextGetter* url_request_getter_;
   std::string extra_info_;
   GURL url_source_override_;
   bool fast_update_;
   bool pings_enabled_;
   bool deltas_enabled_;
   bool background_downloads_enabled_;
+  bool require_encryption_;
 
   DISALLOW_COPY_AND_ASSIGN(ConfiguratorImpl);
 };
 
 }  // namespace component_updater
 
 #endif  // COMPONENTS_COMPONENT_UPDATER_CONFIGURATOR_IMPL_H_