Remove OwnPtr::release() calls in core/ (part 2).

third_party/WebKit/Source/core/fetch/CrossOriginAccessControl.cpp

 /*
  * Copyright (C) 2008 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 34 matching lines @@
 {
     OwnPtr<HTTPHeaderSet> headerSet = adoptPtr(new HashSet<String, CaseFoldingHash>);
 
     headerSet->add("cache-control");
     headerSet->add("content-language");
     headerSet->add("content-type");
     headerSet->add("expires");
     headerSet->add("last-modified");
     headerSet->add("pragma");
 
-    return headerSet.release();
+    return headerSet;
 }
 
 bool isOnAccessControlResponseHeaderWhitelist(const String& name)
 {
     DEFINE_THREAD_SAFE_STATIC_LOCAL(HTTPHeaderSet, allowedCrossOriginResponseHeaders, (createAllowedCrossOriginResponseHeadersSet().leakPtr()));
 
     return allowedCrossOriginResponseHeaders.contains(name);
 }
 
 void updateRequestForAccessControl(ResourceRequest& request, SecurityOrigin* securityOrigin, StoredCredentials allowCredentials)
@@ skipping 245 matching lines @@
         newRequest.setHTTPOrigin(securityOrigin);
         // If the user didn't request credentials in the first place, update our
         // state so we neither request them nor expect they must be allowed.
         if (options.credentialsRequested == ClientDidNotRequestCredentials)
             options.allowCredentials = DoNotAllowStoredCredentials;
     }
     return true;
 }
 
 } // namespace blink