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

sandbox/win/src/service_resolver_64.cc

 // Copyright (c) 2012 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.
 
 #include "sandbox/win/src/service_resolver.h"
 
-#include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
-#include "sandbox/win/src/win_utils.h"
+#include "sandbox/win/src/sandbox_nt_util.h"
 
 namespace {
 #pragma pack(push, 1)
 
 const ULONG kMmovR10EcxMovEax = 0xB8D18B4C;
 const USHORT kSyscall = 0x050F;
 const BYTE kRetNp = 0xC3;
 const ULONG64 kMov1 = 0x54894808244C8948;
 const ULONG64 kMov2 = 0x4C182444894C1024;
 const ULONG kMov3 = 0x20244C89;
@@ skipping 124 matching lines @@
 
 NTSTATUS ServiceResolverThunk::PerformPatch(void* local_thunk,
                                             void* remote_thunk) {
   ServiceFullThunk* full_local_thunk = reinterpret_cast<ServiceFullThunk*>(
                                            local_thunk);
   ServiceFullThunk* full_remote_thunk = reinterpret_cast<ServiceFullThunk*>(
                                             remote_thunk);
 
   // Patch the original code.
   ServiceEntry local_service;
-  DCHECK_GE(GetInternalThunkSize(), sizeof(local_service));
   if (!SetInternalThunk(&local_service, sizeof(local_service), NULL,
                         interceptor_))
     return STATUS_UNSUCCESSFUL;
 
   // Copy the local thunk buffer to the child.
   SIZE_T actual;
   if (!::WriteProcessMemory(process_, remote_thunk, local_thunk,
                             sizeof(ServiceFullThunk), &actual))
     return STATUS_UNSUCCESSFUL;
 
   if (sizeof(ServiceFullThunk) != actual)
     return STATUS_UNSUCCESSFUL;
 
   // And now change the function to intercept, on the child.
   if (NULL != ntdll_base_) {
     // Running a unit test.
     if (!::WriteProcessMemory(process_, target_, &local_service,
                               sizeof(local_service), &actual))
       return STATUS_UNSUCCESSFUL;
   } else {
     if (!WriteProtectedChildMemory(process_, target_, &local_service,
                                    sizeof(local_service)))
       return STATUS_UNSUCCESSFUL;
   }
 
   return STATUS_SUCCESS;
 }
 
 bool Wow64ResolverThunk::IsFunctionAService(void* local_thunk) const {
-  NOTREACHED();
   return false;
 }
 
 bool Win2kResolverThunk::IsFunctionAService(void* local_thunk) const {
-  NOTREACHED();
   return false;
 }
 
 }  // namespace sandbox