Add support for alternate window station.

sandbox/src/sandbox_types.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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 SANDBOX_SRC_SANDBOX_TYPES_H_
 #define SANDBOX_SRC_SANDBOX_TYPES_H_
 
 namespace sandbox {
 
 // Operation result codes returned by the sandbox API.
 enum ResultCode {
@@ skipping 12 matching lines @@
   // The ipc service did not complete.
   SBOX_ERROR_FAILED_IPC = 6,
   // The requested handle was not found.
   SBOX_ERROR_NO_HANDLE = 7,
   // This function was not expected to be called at this time.
   SBOX_ERROR_UNEXPECTED_CALL = 8,
   // WaitForAllTargets is already called.
   SBOX_ERROR_WAIT_ALREADY_CALLED = 9,
   // A channel error prevented DoCall from executing.
   SBOX_ERROR_CHANNEL_ERROR = 10,
+  // Failed to create the alternate desktop.
+  SBOX_ERROR_CANNOT_CREATE_DESKTOP = 11,
+  // Failed to create the alternate window station.
+  SBOX_ERROR_CANNOT_CREATE_WINSTATION = 12,
+  // Failed to switch back to the interactive window station.
+  SBOX_ERROR_FAILED_TO_SWITCH_BACK_WINSTATION = 13,
   // Placeholder for last item of the enum.
   SBOX_ERROR_LAST
 };
 
 // If the sandbox cannot create a secure environment for the target, the
 // target will be forcibly terminated. These are the process exit codes.
 enum TerminationCodes {
   SBOX_FATAL_INTEGRITY = 7006,       // Could not set the integrity level.
   SBOX_FATAL_DROPTOKEN = 7007,       // Could not lower the token.
   SBOX_FATAL_FLUSHANDLES = 7008,     // Failed to flush registry handles.
@@ skipping 21 matching lines @@
   INTERCEPTION_EAT,
   INTERCEPTION_SIDESTEP,        // Preamble patch
   INTERCEPTION_SMART_SIDESTEP,  // Preamble patch but bypass internal calls
   INTERCEPTION_UNLOAD_MODULE,   // Unload the module (don't patch)
   INTERCEPTION_LAST             // Placeholder for last item in the enumeration
 };
 
 }  // namespace sandbox
 
 #endif  // SANDBOX_SRC_SANDBOX_TYPES_H_