Add test for CHECK exit code behavior.

content/browser/frame_host/debug_urls.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 "content/browser/frame_host/debug_urls.h"
 
 #if defined(SYZYASAN)
 #include <windows.h>
 #endif
 
@@ skipping 194 matching lines @@
   return false;
 }
 
 bool IsRendererDebugURL(const GURL& url) {
   if (!url.is_valid())
     return false;
 
   if (url.SchemeIs(url::kJavaScriptScheme))
     return true;
 
-  return url == kChromeUIBadCastCrashURL ||
+  return url == kChromeUICheckCrashURL ||
+         url == kChromeUIBadCastCrashURL ||
          url == kChromeUICrashURL ||
          url == kChromeUIDumpURL ||
          url == kChromeUIKillURL ||
          url == kChromeUIHangURL ||
          url == kChromeUIShorthangURL ||
          url == kChromeUIMemoryExhaustURL;
 }
 
 }  // namespace content