Send traffic-management headers from extension updater.

chrome/browser/extensions/api/developer_private/developer_private_api.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/extensions/api/developer_private/developer_private_api.h"
 
 #include <stddef.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 451 matching lines @@
       GetByID(id);
 }
 
 DeveloperPrivateAutoUpdateFunction::~DeveloperPrivateAutoUpdateFunction() {}
 
 ExtensionFunction::ResponseAction DeveloperPrivateAutoUpdateFunction::Run() {
   ExtensionUpdater* updater =
       ExtensionSystem::Get(browser_context())->extension_service()->updater();
   if (updater) {
     ExtensionUpdater::CheckParams params;
+    params.on_demand_update = true;
     params.install_immediately = true;
     updater->CheckNow(params);
   }
   return RespondNow(NoArguments());
 }
 
 DeveloperPrivateGetExtensionsInfoFunction::
 DeveloperPrivateGetExtensionsInfoFunction() {
 }
 
@@ skipping 974 matching lines @@
         update.extension_id, update.command_name, *update.keybinding);
   }
 
   return RespondNow(NoArguments());
 }
 
 
 }  // namespace api
 
 }  // namespace extensions