AU: Update Downloader to support our image formats.

src/platform/update_engine/update_attempter.cc

 // Copyright (c) 2010 The Chromium OS 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 "update_engine/update_attempter.h"
 #include <tr1/memory>
 #include <string>
 #include <vector>
 #include <glib.h>
 #include "update_engine/download_action.h"
@@ skipping 17 matching lines @@
   processor_.set_delegate(this);
 
   // Actions:
   shared_ptr<OmahaRequestPrepAction> request_prep_action(
       new OmahaRequestPrepAction(force_full_update));
   shared_ptr<UpdateCheckAction> update_check_action(
       new UpdateCheckAction(new LibcurlHttpFetcher));
   shared_ptr<OmahaResponseHandlerAction> response_handler_action(
       new OmahaResponseHandlerAction);
   shared_ptr<FilesystemCopierAction> filesystem_copier_action(
-      new FilesystemCopierAction);
+      new FilesystemCopierAction(false));
+  shared_ptr<FilesystemCopierAction> filesystem_copier_action_kernel(
+      new FilesystemCopierAction(true));
   shared_ptr<DownloadAction> download_action(
       new DownloadAction(new LibcurlHttpFetcher));
   shared_ptr<PostinstallRunnerAction> postinstall_runner_action(
       new PostinstallRunnerAction);
   shared_ptr<SetBootableFlagAction> set_bootable_flag_action(
       new SetBootableFlagAction);
       
   response_handler_action_ = response_handler_action;
 
   actions_.push_back(shared_ptr<AbstractAction>(request_prep_action));
   actions_.push_back(shared_ptr<AbstractAction>(update_check_action));
   actions_.push_back(shared_ptr<AbstractAction>(response_handler_action));
   actions_.push_back(shared_ptr<AbstractAction>(filesystem_copier_action));
+  actions_.push_back(shared_ptr<AbstractAction>(
+      filesystem_copier_action_kernel));
   actions_.push_back(shared_ptr<AbstractAction>(download_action));
   actions_.push_back(shared_ptr<AbstractAction>(postinstall_runner_action));
   actions_.push_back(shared_ptr<AbstractAction>(set_bootable_flag_action));
   
   // Enqueue the actions
   for (vector<shared_ptr<AbstractAction> >::iterator it = actions_.begin();
        it != actions_.end(); ++it) {
     processor_.EnqueueAction(it->get());
   }
 
   // Bond them together. We have to use the leaf-types when calling
   // BondActions().
   BondActions(request_prep_action.get(), update_check_action.get());
   BondActions(update_check_action.get(), response_handler_action.get());
   BondActions(response_handler_action.get(), filesystem_copier_action.get());
-  BondActions(filesystem_copier_action.get(), download_action.get());
+  BondActions(response_handler_action.get(),
+              filesystem_copier_action_kernel.get());
+  BondActions(filesystem_copier_action_kernel.get(),
+              download_action.get());
   // TODO(adlr): Bond these actions together properly
   // BondActions(download_action.get(), install_action.get());
   // BondActions(install_action.get(), postinstall_runner_action.get());
   BondActions(postinstall_runner_action.get(), set_bootable_flag_action.get());
 
   processor_.StartProcessing();
 }
 
 // Delegate method:
 void UpdateAttempter::ProcessingDone(const ActionProcessor* processor,
@@ skipping 40 matching lines @@
   *last_checked_time = 123;
   *progress = 0.2223;
   *current_operation = "DOWNLOADING";
   *new_version = "0.2.3.8";
   *new_size = 10002;
   return true;
 }
 
 
 }  // namespace chromeos_update_engine