Make ifdefs consistent in WebKit/Source/platform

third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 175 matching lines @@
       break;
   }
 
   return Referrer(
       shouldHideReferrer(url, referrerUrl) ? Referrer::noReferrer() : referrer,
       referrerPolicyNoDefault);
 }
 
 void SecurityPolicy::addOriginTrustworthyWhiteList(
     PassRefPtr<SecurityOrigin> origin) {
+#if DCHECK_IS_ON()
   // Must be called before we start other threads.
-  ASSERT(WTF::isBeforeThreadCreated());
+  DCHECK(WTF::isBeforeThreadCreated());
+#endif
   if (origin->isUnique())
     return;
   trustworthyOriginSet().add(origin->toRawString());
 }
 
 bool SecurityPolicy::isOriginWhiteListedTrustworthy(
     const SecurityOrigin& origin) {
   // Early return if there are no whitelisted origins to avoid unnecessary
   // allocations, copies, and frees.
   if (origin.isUnique() || trustworthyOriginSet().isEmpty())
@@ skipping 94 matching lines @@
 }
 
 bool SecurityPolicy::referrerPolicyFromStringWithLegacyKeywords(
     const String& policy,
     ReferrerPolicy* result) {
   return referrerPolicyFromStringImpl(
       policy, SupportReferrerPolicyLegacyKeywords, result);
 }
 
 }  // namespace blink