Reusing names of policy keys from policy_constants.h

chrome/common/pref_names.h

Index: chrome/common/pref_names.h
diff --git a/chrome/common/pref_names.h b/chrome/common/pref_names.h
index 1266a91197df27402fe61e191445145e7b8aef02..532f57a3d54eec80986aa28555dcca3a6db6ed27 100644
--- a/chrome/common/pref_names.h
+++ b/chrome/common/pref_names.h
@@ -597,6 +597,11 @@ extern const char kRemoteAccessHostAllowClientPairing[];
 extern const char kRemoteAccessHostAllowGnubbyAuth[];
 extern const char kRemoteAccessHostAllowRelayedConnection[];
 extern const char kRemoteAccessHostUdpPortRange[];
+extern const char kRemoteAccessHostMatchUsername[];
+extern const char kRemoteAccessHostTokenUrl[];
+extern const char kRemoteAccessHostTokenValidationUrl[];
+extern const char kRemoteAccessHostTokenValidationCertificateIssuer[];
+extern const char kRemoteAccessHostDebugOverridePolicies[];
 
 extern const char kPrintPreviewStickySettings[];
 extern const char kCloudPrintRoot[];