Make chrome.exe built with ASan/Win work with sandbox enabled

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 307 matching lines @@
   TargetServices* target = SandboxFactory::GetTargetServices();
   if (target) {
     if (SBOX_ALL_OK != target->Init())
       return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
 
     if (BEFORE_REVERT == state)
       return command(argc - 4, argv + 4);
     else if (EVERY_STATE == state)
       command(argc - 4, argv + 4);
 
+#if defined(ADDRESS_SANITIZER)
+    // Bind and leak dbghelp.dll before the token is lowered, otherwise
+    // AddressSanitizer will crash when trying to symbolize a report.
+    if (!LoadLibraryA("dbghelp.dll"))
+      return SBOX_TEST_FAILED_TO_EXECUTE_COMMAND;
+#endif
+
     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