AU: Update Downloader to support our image formats.

src/platform/update_engine/filesystem_copier_action.h

 // Copyright (c) 2010 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 CHROMEOS_PLATFORM_UPDATE_ENGINE_FILESYSTEM_COPIER_ACTION_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_FILESYSTEM_COPIER_ACTION_H__
 
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <string>
@@ skipping 14 matching lines @@
 class ActionTraits<FilesystemCopierAction> {
  public:
   // Takes the install plan as input
   typedef InstallPlan InputObjectType;
   // Passes the install plan as output
   typedef InstallPlan OutputObjectType;
 };
 
 class FilesystemCopierAction : public Action<FilesystemCopierAction> {
  public:
-  FilesystemCopierAction()
-      : src_stream_(NULL),
+  explicit FilesystemCopierAction(bool copying_kernel_install_path)
+      : copying_kernel_install_path_(copying_kernel_install_path),
+        src_stream_(NULL),
         dst_stream_(NULL),
         canceller_(NULL),
         read_in_flight_(false),
         buffer_valid_size_(0) {}
   typedef ActionTraits<FilesystemCopierAction>::InputObjectType
   InputObjectType;
   typedef ActionTraits<FilesystemCopierAction>::OutputObjectType
   OutputObjectType;
   void PerformAction();
   void TerminateProcessing();
@@ skipping 15 matching lines @@
                                        gpointer user_data) {
     reinterpret_cast<FilesystemCopierAction*>(user_data)->AsyncReadyCallback(
         source_object, res);
   }
   
   // Cleans up all the variables we use for async operations and tells
   // the ActionProcessor we're done w/ success as passed in.
   // was_cancelled should be true if TerminateProcessing() was called.
   void Cleanup(bool success, bool was_cancelled);
   
+  // If true, this action is copying to the kernel_install_path from
+  // the install plan, otherwise it's copying just to the install_path.
+  const bool copying_kernel_install_path_;
+  
   // The path to copy from. If empty (the default), the source is from the
   // passed in InstallPlan.
   std::string copy_source_;
 
   // If non-NULL, these are GUnixInputStream objects for the opened
   // source/destination partitions.
   GInputStream* src_stream_;
   GOutputStream* dst_stream_;
   
   // If non-NULL, the cancellable object for the in-flight async call.
@@ skipping 11 matching lines @@
 
   // The install plan we're passed in via the input pipe.
   InstallPlan install_plan_;
   
   DISALLOW_COPY_AND_ASSIGN(FilesystemCopierAction);
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_FILESYSTEM_COPIER_ACTION_H__