Remove FetchRequest::mutableResourceRequest() where removing is trivial

third_party/WebKit/Source/core/dom/ScriptLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2008 Nikolas Zimmermann <zimmermann@kde.org>
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 505 matching lines @@
   DCHECK(m_element);
 
   Document* elementDocument = &(m_element->document());
   if (!m_element->isConnected() || m_element->document() != elementDocument)
     return false;
 
   DCHECK(!m_resource);
   // 21. "If the element has a src content attribute, run these substeps:"
   if (!stripLeadingAndTrailingHTMLSpaces(sourceUrl).isEmpty()) {
     // 21.4. "Parse src relative to the element's node document."
-    FetchRequest request(
-        ResourceRequest(elementDocument->completeURL(sourceUrl)),
-        m_element->localName());
+    ResourceRequest resourceRequest(elementDocument->completeURL(sourceUrl));
+
+    // [Intervention]
+    if (m_documentWriteIntervention ==
+        DocumentWriteIntervention::FetchDocWrittenScriptDeferIdle) {
+      resourceRequest.setHTTPHeaderField(
+          "Intervention",
+          "<https://www.chromestatus.com/feature/5718547946799104>");
+    }
+
+    FetchRequest request(resourceRequest, m_element->localName());
 
     // 15. "Let CORS setting be the current state of the element's
     //      crossorigin content attribute."
     CrossOriginAttributeValue crossOrigin = crossOriginAttributeValue(
         m_element->fastGetAttribute(HTMLNames::crossoriginAttr));
 
     // 16. "Let module script credentials mode be determined by switching
     //      on CORS setting:"
     // TODO(hiroshige): Implement this step for "module".
 
@@ skipping 24 matching lines @@
     //      Otherwise, let integrity metadata be the empty string."
     String integrityAttr =
         m_element->fastGetAttribute(HTMLNames::integrityAttr);
     if (!integrityAttr.isEmpty()) {
       IntegrityMetadataSet metadataSet;
       SubresourceIntegrity::parseIntegrityAttribute(integrityAttr, metadataSet,
                                                     elementDocument);
       request.setIntegrityMetadata(metadataSet);
     }
 
-    // [Intervention]
-    if (m_documentWriteIntervention ==
-        DocumentWriteIntervention::FetchDocWrittenScriptDeferIdle) {
-      request.mutableResourceRequest().setHTTPHeaderField(
-          "Intervention",
-          "<https://www.chromestatus.com/feature/5718547946799104>");
-    }
-
     // 21.6. "Switch on the script's type:"
 
     // - "classic":
     //   "Fetch a classic script given url, settings, cryptographic nonce,
     //    integrity metadata, parser state, CORS setting, and encoding."
     m_resource = ScriptResource::fetch(request, elementDocument->fetcher());
 
     // - "module":
     //   "Fetch a module script graph given url, settings, "script",
     //    cryptographic nonce, parser state, and
@@ skipping 324 matching lines @@
   if (isHTMLScriptLoader(element))
     return toHTMLScriptElement(element)->loader();
 
   if (isSVGScriptLoader(element))
     return toSVGScriptElement(element)->loader();
 
   return 0;
 }
 
 }  // namespace blink