AU: Include a bit flag (bit 31) in error codes to indicate non-normal boot mode.

action_processor.h

 // 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.
 
 #ifndef CHROMEOS_PLATFORM_UPDATE_ENGINE_ACTION_PROCESSOR_H__
 #define CHROMEOS_PLATFORM_UPDATE_ENGINE_ACTION_PROCESSOR_H__
 
 #include <deque>
 
 #include "base/basictypes.h"
@@ skipping 28 matching lines @@
   kActionCodeDownloadNewPartitionInfoError = 13,
   kActionCodeDownloadWriteError = 14,
   kActionCodeNewRootfsVerificationError = 15,
   kActionCodeNewKernelVerificationError = 16,
   kActionCodeOmahaRequestEmptyResponseError = 200,
   kActionCodeOmahaRequestXMLParseError = 201,
   kActionCodeOmahaRequestNoUpdateCheckNode = 202,
   kActionCodeOmahaRequestNoUpdateCheckStatus = 203,
   kActionCodeOmahaRequestBadUpdateCheckStatus = 204,
   kActionCodeOmahaRequestHTTPResponseBase = 2000,  // + HTTP response code
+
+  // Bit flags.
+  kActionCodeBootModeFlag = 1 << 31,  // Set if boot mode not normal.
 };
 
 class AbstractAction;
 class ActionProcessorDelegate;
 
 class ActionProcessor {
  public:
   ActionProcessor();
 
   virtual ~ActionProcessor();
@@ skipping 59 matching lines @@
   // Called whenever an action has finished processing, either successfully
   // or otherwise.
   virtual void ActionCompleted(ActionProcessor* processor,
                                AbstractAction* action,
                                ActionExitCode code) {}
 };
 
 }  // namespace chromeos_update_engine
 
 #endif  // CHROMEOS_PLATFORM_UPDATE_ENGINE_ACTION_PROCESSOR_H__