Make it possible to set the HTTP origin header from content

Source/core/loader/FrameFetchContext.cpp

Index: Source/core/loader/FrameFetchContext.cpp
diff --git a/Source/core/loader/FrameFetchContext.cpp b/Source/core/loader/FrameFetchContext.cpp
index 493bfcf05a555c09f191d02c07f625092cbd6be1..ec0690a739da243bf55f2f2bdf715eadeab179a5 100644
--- a/Source/core/loader/FrameFetchContext.cpp
+++ b/Source/core/loader/FrameFetchContext.cpp
@@ -75,7 +75,7 @@ void FrameFetchContext::addAdditionalRequestHeaders(Document* document, Resource
         else if (!request.httpReferrer())
             request.setHTTPReferrer(Referrer(outgoingReferrer, document->referrerPolicy()));
 
-        FrameLoader::addHTTPOriginIfNeeded(request, AtomicString(outgoingOrigin));
+        request.addHTTPOriginIfNeeded(AtomicString(outgoingOrigin));
     }
 
     // The remaining modifications are only necessary for HTTP and HTTPS.
@@ -85,7 +85,7 @@ void FrameFetchContext::addAdditionalRequestHeaders(Document* document, Resource
     m_frame->loader().applyUserAgent(request);
 
     // Default to sending an empty Origin header if one hasn't been set yet.
-    FrameLoader::addHTTPOriginIfNeeded(request, nullAtom);
+    request.addHTTPOriginIfNeeded(nullAtom);
 }
 
 void FrameFetchContext::setFirstPartyForCookies(ResourceRequest& request)