Allow IAT patches to fail when patching for Active Verifier.

base/test/run_all_unittests.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 "base/bind.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 
 #if defined(OS_ANDROID)
 #include "base/android/jni_android.h"
 #include "base/test/test_file_util.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/debug/close_handle_hook_win.h"
 #endif
 
 int main(int argc, char** argv) {
 #if defined(OS_ANDROID)
   JNIEnv* env = base::android::AttachCurrentThread();
   base::RegisterContentUriTestUtils(env);
 #endif
   base::TestSuite test_suite(argc, argv);
 #if defined(OS_WIN)
-  base::debug::InstallHandleHooks();
+  CHECK(base::debug::InstallHandleHooks());
 #endif
   int ret = base::LaunchUnitTests(
       argc, argv,
       base::Bind(&base::TestSuite::Run, base::Unretained(&test_suite)));
 #if defined(OS_WIN)
   base::debug::RemoveHandleHooks();
 #endif
   return ret;
 }