Allow extensions on chrome:// URLs, when flag is set and permission is explicitly requested

chrome/browser/ui/startup/bad_flags_prompt.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 "chrome/browser/ui/startup/bad_flags_prompt.h"
 
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/api/infobars/infobar_service.h"
 #include "chrome/browser/api/infobars/simple_alert_infobar_delegate.h"
@@ skipping 10 matching lines @@
   // security will suffer".
   static const char* kBadFlags[] = {
     // These imply disabling the sandbox.
     switches::kSingleProcess,
     switches::kNoSandbox,
     switches::kInProcessWebGL,
     switches::kDisableWebSecurity,
     // Browser plugin is dangerous on regular pages because it breaks the Same
     // Origin Policy.
     switches::kEnableBrowserPluginForAllViewTypes,
+    switches::kExtensionsOnChromeURLs,
     NULL
   };
 
   const char* bad_flag = NULL;
   for (const char** flag = kBadFlags; *flag; ++flag) {
     if (CommandLine::ForCurrentProcess()->HasSwitch(*flag)) {
       bad_flag = *flag;
       break;
     }
   }
 
   if (bad_flag) {
     content::WebContents* web_contents =
         browser->tab_strip_model()->GetActiveWebContents();
     if (!web_contents)
       return;
     SimpleAlertInfoBarDelegate::Create(
         InfoBarService::FromWebContents(web_contents), NULL,
         l10n_util::GetStringFUTF16(IDS_BAD_FLAGS_WARNING_MESSAGE,
                                     UTF8ToUTF16(std::string("--") + bad_flag)),
         false);
   }
 }
 
 }  // namespace chrome