Only quit or restart with chrome:// or about:.

content/public/common/url_constants.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 "content/public/common/url_constants.h"
 
 namespace content {
 
 // Before adding new chrome schemes please check with security@chromium.org.
 // There are security implications associated with introducing new schemes.
@@ skipping 14 matching lines @@
 const char kChromeUIGpuHost[] = "gpu";
 const char kChromeUIHistogramHost[] = "histograms";
 const char kChromeUIMediaInternalsHost[] = "media-internals";
 const char kChromeUINetworkViewCacheHost[] = "view-http-cache";
 const char kChromeUIResourcesHost[] = "resources";
 const char kChromeUIServiceWorkerInternalsHost[] = "serviceworker-internals";
 const char kChromeUITcmallocHost[] = "tcmalloc";
 const char kChromeUITracingHost[] = "tracing";
 const char kChromeUIWebRTCInternalsHost[] = "webrtc-internals";
 
+const char kChromeUIBrowserCrashURL[] = "chrome://inducebrowsercrashforrealz";
 const char kChromeUICrashURL[] = "chrome://crash";
 const char kChromeUIDumpURL[] = "chrome://crashdump";
 const char kChromeUIGpuCleanURL[] = "chrome://gpuclean";
 const char kChromeUIGpuCrashURL[] = "chrome://gpucrash";
 const char kChromeUIGpuHangURL[] = "chrome://gpuhang";
 const char kChromeUIHangURL[] = "chrome://hang";
 const char kChromeUIKillURL[] = "chrome://kill";
 const char kChromeUIPpapiFlashCrashURL[] = "chrome://ppapiflashcrash";
 const char kChromeUIPpapiFlashHangURL[] = "chrome://ppapiflashhang";
 const char kChromeUIServiceWorkerInternalsURL[] =
     "chrome://serviceworker-internals";
 
 // This error URL is loaded in normal web renderer processes, so it should not
 // have a chrome:// scheme that might let it be confused with a WebUI page.
 const char kUnreachableWebDataURL[] = "data:text/html,chromewebdata";
 
 const char kChromeUINetworkViewCacheURL[] = "chrome://view-http-cache/";
 const char kChromeUIShorthangURL[] = "chrome://shorthang";
 
 // This URL is loaded when a page is swapped out and replaced by a page in a
 // different renderer process.  It must have a unique origin that cannot be
 // scripted by other pages in the process.
 const char kSwappedOutURL[] = "swappedout://";
 
 }  // namespace content