Restructure sandbox code to reduce dependencies pulled in by intercept code.

sandbox/win/src/sandbox_nt_util.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 SANDBOX_SRC_SANDBOX_NT_UTIL_H_
 #define SANDBOX_SRC_SANDBOX_NT_UTIL_H_
 
 #include <intrin.h>
 
 #include "base/basictypes.h"
@@ skipping 27 matching lines @@
 #ifndef NDEBUG
 #define DCHECK_NT(condition) { (condition) ? (void)0 : __debugbreak(); }
 #define VERIFY(action) DCHECK_NT(action)
 #define VERIFY_SUCCESS(action) DCHECK_NT(NT_SUCCESS(action))
 #else
 #define DCHECK_NT(condition)
 #define VERIFY(action) (action)
 #define VERIFY_SUCCESS(action) (action)
 #endif
 
+#define CHECK_NT(condition) { (condition) ? (void)0 : __debugbreak(); }
+
 #define NOTREACHED_NT() DCHECK_NT(false)
 
 namespace sandbox {
 
 #if defined(_M_X64)
 #pragma intrinsic(_InterlockedCompareExchange)
 #pragma intrinsic(_InterlockedCompareExchangePointer)
 
 #elif defined(_M_IX86)
 extern "C" long _InterlockedCompareExchange(long volatile* destination,
@@ skipping 29 matching lines @@
   WRITE
 };
 
 // Performs basic user mode buffer validation. In any case, buffers access must
 // be protected by SEH. intent specifies if the buffer should be tested for read
 // or write.
 // Note that write intent implies destruction of the buffer content (we actually
 // write)
 bool ValidParameter(void* buffer, size_t size, RequiredAccess intent);
 
-
 // Copies data from a user buffer to our buffer. Returns the operation status.
 NTSTATUS CopyData(void* destination, const void* source, size_t bytes);
 
 // Copies the name from an object attributes.
 NTSTATUS AllocAndCopyName(const OBJECT_ATTRIBUTES* in_object,
                           wchar_t** out_name, uint32* attributes, HANDLE* root);
 
 // Initializes our ntdll level heap
 bool InitHeap();
 
@@ skipping 68 matching lines @@
 
 // Returns true if the file_rename_information structure is supported by our
 // rename handler.
 bool IsSupportedRenameCall(FILE_RENAME_INFORMATION* file_info, DWORD length,
                            uint32 file_info_class);
 
 }  // namespace sandbox
 
 
 #endif  // SANDBOX_SRC_SANDBOX_NT_UTIL_H__