Remove FetchRequest::mutableResourceRequest() where removing is trivial

third_party/WebKit/Source/core/css/CSSFontFaceSrcValue.cpp

 /*
  * Copyright (C) 2007, 2010 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 71 matching lines @@
   // allowFileAccessFromFileURLs is false.
   if (request.url().isLocalFile())
     return;
 
   request.setCrossOriginAccessControl(securityOrigin,
                                       CrossOriginAttributeAnonymous);
 }
 
 FontResource* CSSFontFaceSrcValue::fetch(Document* document) const {
   if (!m_fetched) {
-    FetchRequest request(ResourceRequest(m_absoluteResource),
-                         FetchInitiatorTypeNames::css);
+    ResourceRequest resourceRequest(m_absoluteResource);
+    resourceRequest.setHTTPReferrer(SecurityPolicy::generateReferrer(
+        m_referrer.referrerPolicy, resourceRequest.url(), m_referrer.referrer));
+    FetchRequest request(resourceRequest, FetchInitiatorTypeNames::css);
     if (RuntimeEnabledFeatures::webFontsCacheAwareTimeoutAdaptationEnabled())
       request.setCacheAwareLoadingEnabled(IsCacheAwareLoadingEnabled);
     request.setContentSecurityCheck(m_shouldCheckContentSecurityPolicy);
     SecurityOrigin* securityOrigin = document->getSecurityOrigin();
     setCrossOriginAccessControl(request, securityOrigin);
-    request.mutableResourceRequest().setHTTPReferrer(
-        SecurityPolicy::generateReferrer(m_referrer.referrerPolicy,
-                                         request.url(), m_referrer.referrer));
     FontResource* resource = FontResource::fetch(request, document->fetcher());
     if (!resource)
       return nullptr;
     m_fetched = FontResourceHelper::create(resource);
   } else {
     // FIXME: CSSFontFaceSrcValue::fetch is invoked when @font-face rule
     // is processed by StyleResolver / StyleEngine.
     restoreCachedResourceIfNeeded(document);
   }
   return m_fetched->resource();
@@ skipping 12 matching lines @@
       WebURLRequest::RequestContextFont, FetchInitiatorTypeNames::css);
 }
 
 bool CSSFontFaceSrcValue::equals(const CSSFontFaceSrcValue& other) const {
   return m_isLocal == other.m_isLocal && m_format == other.m_format &&
          m_specifiedResource == other.m_specifiedResource &&
          m_absoluteResource == other.m_absoluteResource;
 }
 
 }  // namespace blink