Make ifdefs consistent in WebKit/Source/platform

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

Index: third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp
diff --git a/third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp b/third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp
index 32bf96b1b8425497b5cc4b87210b3d63bffd6344..93c0bd6964aafaf9eccd93d8babc0004e0751f8e 100644
--- a/third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp
+++ b/third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp
@@ -193,8 +193,10 @@ Referrer SecurityPolicy::generateReferrer(ReferrerPolicy referrerPolicy,
 
 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());