MD Settings: Disable MdSettingsUITest.ViewSourceDoesntCrash when Vulcanized.

chrome/browser/ui/webui/settings/md_settings_ui_browsertest.cc

 // Copyright 2016 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 <string>
 
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "content/public/browser/web_ui_message_handler.h"
 #include "content/public/common/url_constants.h"
 #include "content/public/test/browser_test_utils.h"
 #include "ui/base/window_open_disposition.h"
 #include "url/gurl.h"
 
 typedef InProcessBrowserTest MdSettingsUITest;
 
 using ui_test_utils::NavigateToURL;
 using content::WaitForLoadStop;
 
+// When using Vulcanize, this test times out, probably because the HTML and JS
+// bundled files are too large.
+#if !BUILDFLAG(USE_VULCANIZE)
 IN_PROC_BROWSER_TEST_F(MdSettingsUITest, ViewSourceDoesntCrash) {
   NavigateToURL(browser(),
       GURL(content::kViewSourceScheme + std::string(":") +
            chrome::kChromeUIMdSettingsURL));

[Dan Beam, 2017/02/09 20:32:56]

fwiw: you could also just try to load something smaller that still exists when
vulcanized, maybe?  like string.js or something?

[dpapad, 2017/02/09 23:41:25]

Done.

 }
+#endif
 
 // May not complete on memory and Windows debug bots. TODO(dbeam): investigate
 // and fix. See https://crbug.com/558434, https://crbug.com/620370 and
 // https://crbug.com/651296.
 #if defined(MEMORY_SANITIZER) || defined(OS_WIN) || defined(OS_CHROMEOS)
 #define MAYBE_BackForwardDoesntCrash DISABLED_BackForwardDoesntCrash
 #else
 #define MAYBE_BackForwardDoesntCrash BackForwardDoesntCrash
 #endif
 
@@ skipping 17 matching lines @@
                               ->GetWebUI()
                               ->GetHandlersForTesting();
 
   for (const std::unique_ptr<content::WebUIMessageHandler>& handler :
        handlers) {
     handler->AllowJavascriptForTesting();
     handler->DisallowJavascript();
     handler->AllowJavascriptForTesting();
   }
 }