Add policy domain for signin screen apps

components/policy/core/common/cloud/cloud_policy_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 "components/policy/core/common/cloud/cloud_policy_constants.h"
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 43 matching lines @@
 const char kChromeUserPolicyType[] = "google/chromeos/user";
 #elif defined(OS_ANDROID)
 const char kChromeUserPolicyType[] = "google/android/user";
 #elif defined(OS_IOS)
 const char kChromeUserPolicyType[] = "google/ios/user";
 #else
 const char kChromeUserPolicyType[] = "google/chrome/user";
 #endif
 const char kChromePublicAccountPolicyType[] = "google/chromeos/publicaccount";
 const char kChromeExtensionPolicyType[] = "google/chrome/extension";
+const char kChromeSigninExtensionPolicyType[] =
+    "google/chromeos/signinextension";
 
 }  // namespace dm_protocol
 
 const char kChromePolicyHeader[] = "Chrome-Policy-Posture";
 
 const uint8_t kPolicyVerificationKey[] = {
     0x30, 0x82, 0x01, 0x22, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86,
     0xF7, 0x0D, 0x01, 0x01, 0x01, 0x05, 0x00, 0x03, 0x82, 0x01, 0x0F, 0x00,
     0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xA7, 0xB3, 0xF9,
     0x0D, 0xC7, 0xC7, 0x8D, 0x84, 0x3D, 0x4B, 0x80, 0xDD, 0x9A, 0x2F, 0xF8,
@@ skipping 25 matching lines @@
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kDisablePolicyKeyVerification)) {
     return std::string();
   } else {
     return std::string(reinterpret_cast<const char*>(kPolicyVerificationKey),
                        sizeof(kPolicyVerificationKey));
   }
 }
 
 }  // namespace policy