Proof of concept of ignoring x-frame-options for sign-in webui.

chrome/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 "chrome/common/url_constants.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "content/public/common/url_constants.h"
@@ skipping 645 matching lines @@
 const char kChromeSearchLocalNtpHost[] = "local-ntp";
 const char kChromeSearchLocalNtpUrl[] =
     "chrome-search://local-ntp/local-ntp.html";
 const char kChromeSearchOnlineNtpHost[] = "online-ntp";
 
 const char kChromeSearchMostVisitedHost[] = "most-visited";
 const char kChromeSearchMostVisitedUrl[] = "chrome-search://most-visited/";
 
 const char kDomDistillerScheme[] = "chrome-distiller";
 
+const char kChromeSigninHost[] = "signin";
+
 // Google SafeSearch query parameters.
 const char kSafeSearchSafeParameter[] = "safe=active";
 const char kSafeSearchSsuiParameter[] = "ssui=on";
 
 const char kMediaAccessLearnMoreUrl[] =
     "https://support.google.com/chrome/?p=ib_access_cam_mic";
 
 const char kLanguageSettingsLearnMoreUrl[] =
 #if defined(OS_CHROMEOS)
     "https://support.google.com/chromebook/answer/1059490";
 #else
     "https://support.google.com/chrome/topic/1678461";
 #endif
 
 #if defined(OS_MACOSX)
 const char kMac32BitDeprecationURL[] =
 #if !defined(ARCH_CPU_64_BITS)
     "https://support.google.com/chrome/?p=ui_mac_32bit_support";
 #else
     "";
 #endif
 #endif
 
 }  // namespace chrome