Move fetch-related predicates to core/fetch.

Source/core/loader/CrossOriginPreflightResultCache.cpp

 /*
  * Copyright (C) 2008, 2009 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 85 matching lines @@
     m_headers.clear();
     if (!parseAccessControlAllowList(response.httpHeaderField("Access-Control-Allow-Headers"), m_headers)) {
         errorDescription = "Cannot parse Access-Control-Allow-Headers response header field.";
         return false;
     }
 
     unsigned expiryDelta;
     if (parseAccessControlMaxAge(response.httpHeaderField("Access-Control-Max-Age"), expiryDelta)) {
         if (expiryDelta > maxPreflightCacheTimeoutSeconds)
             expiryDelta = maxPreflightCacheTimeoutSeconds;
-    } else
+    } else {
         expiryDelta = defaultPreflightCacheTimeoutSeconds;
+    }
 
     m_absoluteExpiryTime = currentTime() + expiryDelta;
     return true;
 }
 
 bool CrossOriginPreflightResultCacheItem::allowsCrossOriginMethod(const String& method, String& errorDescription) const
 {
-    if (m_methods.contains(method) || isOnAccessControlSimpleRequestMethodWhitelist(method))
+    if (m_methods.contains(method) || CrossOriginAccessControl::isSimpleMethod(method))
         return true;
 
     errorDescription = "Method " + method + " is not allowed by Access-Control-Allow-Methods.";
     return false;
 }
 
 bool CrossOriginPreflightResultCacheItem::allowsCrossOriginHeaders(const HTTPHeaderMap& requestHeaders, String& errorDescription) const
 {
     HTTPHeaderMap::const_iterator end = requestHeaders.end();
     for (HTTPHeaderMap::const_iterator it = requestHeaders.begin(); it != end; ++it) {
-        if (!m_headers.contains(it->key) && !isOnAccessControlSimpleRequestHeaderWhitelist(it->key, it->value)) {
+        if (!m_headers.contains(it->key) && !CrossOriginAccessControl::isSimpleHeader(it->key, it->value)) {
             errorDescription = "Request header field " + it->key.string() + " is not allowed by Access-Control-Allow-Headers.";
             return false;
         }
     }
     return true;
 }
 
 bool CrossOriginPreflightResultCacheItem::allowsRequest(StoredCredentials includeCredentials, const String& method, const HTTPHeaderMap& requestHeaders) const
 {
     String ignoredExplanation;
@@ skipping 29 matching lines @@
         return false;
 
     if (cacheIt->value->allowsRequest(includeCredentials, method, requestHeaders))
         return true;
 
     m_preflightHashMap.remove(cacheIt);
     return false;
 }
 
 } // namespace WebCore