Move fetch-related predicates to core/fetch.

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 22 matching lines @@
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "platform/weborigin/SecurityOrigin.h"
 #include "wtf/Threading.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
-bool isOnAccessControlSimpleRequestMethodWhitelist(const String& method)
-{
-    return method == "GET" || method == "HEAD" || method == "POST";
-}
-
-bool isOnAccessControlSimpleRequestHeaderWhitelist(const AtomicString& name, const AtomicString& value)
-{
-    if (equalIgnoringCase(name, "accept")
-        || equalIgnoringCase(name, "accept-language")
-        || equalIgnoringCase(name, "content-language")
-        || equalIgnoringCase(name, "origin")
-        || equalIgnoringCase(name, "referer"))
-        return true;
-
-    // Preflight is required for MIME types that can not be sent via form submission.
-    if (equalIgnoringCase(name, "content-type")) {
-        AtomicString mimeType = extractMIMETypeFromMediaType(value);
-        return equalIgnoringCase(mimeType, "application/x-www-form-urlencoded")
-            || equalIgnoringCase(mimeType, "multipart/form-data")
-            || equalIgnoringCase(mimeType, "text/plain");
-    }
-
-    return false;
-}
-
-bool isSimpleCrossOriginAccessRequest(const String& method, const HTTPHeaderMap& headerMap)
-{
-    if (!isOnAccessControlSimpleRequestMethodWhitelist(method))
-        return false;
-
-    HTTPHeaderMap::const_iterator end = headerMap.end();
-    for (HTTPHeaderMap::const_iterator it = headerMap.begin(); it != end; ++it) {
-        if (!isOnAccessControlSimpleRequestHeaderWhitelist(it->key, it->value))
-            return false;
-    }
-
-    return true;
-}
-
 static PassOwnPtr<HTTPHeaderSet> createAllowedCrossOriginResponseHeadersSet()
 {
     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");
@@ skipping 186 matching lines @@
         request.setHTTPOrigin(securityOrigin->toAtomicString());
         // 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