Fix bugs with renderer-side debug URLs, like chrome://crash or javascript:.

content/browser/loader/resource_dispatcher_host_browsertest.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/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/download/download_manager_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
 #include "content/public/browser/browser_context.h"
@@ skipping 283 matching lines @@
 #if !defined(OS_MACOSX)
 // Tests that the onbeforeunload and onunload logic is short-circuited if the
 // old renderer is gone.  In that case, we don't want to wait for the old
 // renderer to run the handlers.
 // We need to disable this on Mac because the crash causes the OS CrashReporter
 // process to kick in to analyze the poor dead renderer.  Unfortunately, if the
 // app isn't stripped of debug symbols, this takes about five minutes to
 // complete and isn't conducive to quick turnarounds. As we don't currently
 // strip the app on the build bots, this is bad times.
 IN_PROC_BROWSER_TEST_F(ResourceDispatcherHostBrowserTest, CrossSiteAfterCrash) {
+  // Make sure we have a live process before trying to kill it.
+  NavigateToURL(shell(), GURL("about:blank"));
+
   // Cause the renderer to crash.
   RenderProcessHostWatcher crash_observer(
       shell()->web_contents(),
       RenderProcessHostWatcher::WATCH_FOR_PROCESS_EXIT);
   NavigateToURL(shell(), GURL(kChromeUICrashURL));
   // Wait for browser to notice the renderer crash.
   crash_observer.Wait();
 
   // Navigate to a new cross-site page.  The browser should not wait around for
   // the old renderer's on{before}unload handlers to run.
@@ skipping 144 matching lines @@
       "http://localhost:%d/set_cookie.html", embedded_test_server()->port()));
   GURL url(embedded_test_server()->GetURL("/redirect?" + set_cookie_url));
 
   ShellContentBrowserClient::SetSwapProcessesForRedirect(true);
   ShellNetworkDelegate::SetAcceptAllCookies(false);
 
   CheckTitleTest(url, "cookie set");
 }
 
 }  // namespace content