Use a struct instead of a union for SandboxInterfaceInfo...

sandbox/src/sandbox_types.h

-// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2011 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 35 matching lines @@
   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.
   SBOX_FATAL_CACHEDISABLE = 7009     // Failed to forbid HCKU caching.
 };
 
 class TargetServices;
 class BrokerServices;
 
 // Contains the pointer to a target or broker service.
-union SandboxInterfaceInfo {
+struct SandboxInterfaceInfo {
   TargetServices* target_services;
   BrokerServices* broker_services;
 };
 
 #if SANDBOX_EXPORTS
 #define SANDBOX_INTERCEPT extern "C" __declspec(dllexport)
 #else
 #define SANDBOX_INTERCEPT extern "C"
 #endif
 
 enum InterceptionType {
   INTERCEPTION_INVALID = 0,
   INTERCEPTION_SERVICE_CALL,    // Trampoline of an NT native call
   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_