Fixes for re-enabling more MSVC level 4 warnings: sandbox/ edition

sandbox/win/tests/common/controller.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/tests/common/controller.h"
 
 #include <string>
 
 #include "base/process/process.h"
 #include "base/strings/sys_string_conversions.h"
@@ skipping 229 matching lines @@
     ::CloseHandle(target.hThread);
     return SBOX_TEST_SUCCEEDED;
   }
 
   if (::IsDebuggerPresent()) {
     // Don't kill the target process on a time-out while we are debugging.
     timeout_ = INFINITE;
   }
 
   if (WAIT_TIMEOUT == ::WaitForSingleObject(target.hProcess, timeout_)) {
-    ::TerminateProcess(target.hProcess, SBOX_TEST_TIMED_OUT);
+    ::TerminateProcess(target.hProcess, static_cast<UINT>(SBOX_TEST_TIMED_OUT));
     ::CloseHandle(target.hProcess);
     ::CloseHandle(target.hThread);
     return SBOX_TEST_TIMED_OUT;
   }
 
-  DWORD exit_code = SBOX_TEST_LAST_RESULT;
+  DWORD exit_code = static_cast<DWORD>(SBOX_TEST_LAST_RESULT);
   if (!::GetExitCodeProcess(target.hProcess, &exit_code)) {
     ::CloseHandle(target.hProcess);
     ::CloseHandle(target.hThread);
     return SBOX_TEST_FAILED_TO_RUN_TEST;
   }
 
   ::CloseHandle(target.hProcess);
   ::CloseHandle(target.hThread);
 
   return exit_code;
@@ skipping 60 matching lines @@
 
     target->LowerToken();
   } else if (0 != _wcsicmp(argv[1], L"-child-no-sandbox")) {
     return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
   }
 
   return command(argc - 4, argv + 4);
 }
 
 }  // namespace sandbox