AU: Many minor cleanup changes

src/platform/update_engine/postinstall_runner_action.h

 // Copyright (c) 2009 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_POSTINSTALL_RUNNER_ACTION_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_POSTINSTALL_RUNNER_ACTION_H__
 
 #include <string>
 #include "update_engine/action.h"
+#include "update_engine/install_plan.h"
 
 // The Postinstall Runner Action is responsible for running the postinstall
 // script of a successfully downloaded update.
 
 namespace chromeos_update_engine {
 
 class PostinstallRunnerAction;
 class NoneType;
 
 template<>
 class ActionTraits<PostinstallRunnerAction> {
  public:
   // Takes the device path as input
-  typedef std::string InputObjectType;
+  typedef InstallPlan InputObjectType;
   // Passes the device path as output
-  typedef std::string OutputObjectType;
+  typedef InstallPlan OutputObjectType;
 };
 
 class PostinstallRunnerAction : public Action<PostinstallRunnerAction> {
  public:
-  PostinstallRunnerAction() {}
+  explicit PostinstallRunnerAction(bool precommit) : precommit_(precommit) {}
   typedef ActionTraits<PostinstallRunnerAction>::InputObjectType
       InputObjectType;
   typedef ActionTraits<PostinstallRunnerAction>::OutputObjectType
       OutputObjectType;
   void PerformAction();
 
   // This is a synchronous action, and thus TerminateProcessing() should
   // never be called
   void TerminateProcessing() { CHECK(false); }
 
   // Debugging/logging
   static std::string StaticType() { return "PostinstallRunnerAction"; }
   std::string Type() const { return StaticType(); }
 
  private:
+  // If true, this action runs before we've committed to the new update
+  // (by marking it as bootable in the partition table).
+  bool precommit_;
+
   DISALLOW_COPY_AND_ASSIGN(PostinstallRunnerAction);
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_POSTINSTALL_RUNNER_ACTION_H__