Replace handles that the handle closer closes with dummy Events.

components/crash/app/breakpad_win.cc

 // Copyright 2013 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 "components/crash/app/breakpad_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 #include <tchar.h>
 #include <userenv.h>
@@ skipping 598 matching lines @@
 #ifndef _WIN64
     if (process_type != L"browser" &&
         !GetCrashReporterClient()->IsRunningUnattended()) {
       // Initialize the hook TerminateProcess to catch unexpected exits.
       InitTerminateProcessHooks();
     }
 #endif
   }
 }
 
+void ShutdownCrashReporter() {
+  if (g_breakpad) {
+    delete g_breakpad;
+    g_breakpad = NULL;
+  }
+  if (g_dumphandler_no_crash) {
+    delete g_dumphandler_no_crash;
+    g_dumphandler_no_crash = NULL;
+  }
+}
+
 // If the user has disabled crash reporting uploads and restarted Chrome, the
 // restarted instance will still contain the pipe environment variable, which
 // will allow the restarted process to still upload crash reports. This function
 // clears the environment variable, so that the restarted Chrome, which inherits
 // its environment from the current Chrome, will no longer contain the variable.
 extern "C" void __declspec(dllexport) __cdecl
       ClearBreakpadPipeEnvironmentVariable() {
   scoped_ptr<base::Environment> env(base::Environment::Create());
   env->UnSetVar(kPipeNameVar);
 }
@@ skipping 61 matching lines @@
 extern "C" void __declspec(dllexport) __cdecl
 UnregisterNonABICompliantCodeRange(void* start) {
   ExceptionHandlerRecord* record =
       reinterpret_cast<ExceptionHandlerRecord*>(start);
 
   CHECK(RtlDeleteFunctionTable(&record->runtime_function));
 }
 #endif
 
 }  // namespace breakpad