Revert of Teach HistoryItem about a request's initiator.

third_party/WebKit/Source/core/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) Research In Motion Limited 2009. All rights reserved.
  * Copyright (C) 2011 Kris Jordan <krisjordan@gmail.com>
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ skipping 106 matching lines @@
     return type == FrameLoadTypeBackForward || type == FrameLoadTypeReload
         || type == FrameLoadTypeReloadBypassingCache;
 }
 
 // static
 ResourceRequest FrameLoader::resourceRequestFromHistoryItem(HistoryItem* item, WebCachePolicy cachePolicy)
 {
     RefPtr<EncodedFormData> formData = item->formData();
     ResourceRequest request(item->url());
     request.setHTTPReferrer(item->referrer());
-    request.setRequestorOrigin(item->requestorOrigin());
     request.setCachePolicy(cachePolicy);
     if (formData) {
         request.setHTTPMethod(HTTPNames::POST);
         request.setHTTPBody(formData);
         request.setHTTPContentType(item->formContentType());
         RefPtr<SecurityOrigin> securityOrigin = SecurityOrigin::createFromString(item->referrer().referrer);
         request.addHTTPOriginIfNeeded(securityOrigin);
     }
     return request;
 }
@@ skipping 230 matching lines @@
 {
     HistoryItem* oldItem = m_currentItem;
     if (historyCommitType == BackForwardCommit && m_provisionalItem)
         m_currentItem = m_provisionalItem.release();
     else
         m_currentItem = HistoryItem::create();
     m_currentItem->setURL(m_documentLoader->urlForHistory());
     m_currentItem->setDocumentState(m_frame->document()->formElementsState());
     m_currentItem->setTarget(m_frame->tree().uniqueName());
     m_currentItem->setReferrer(SecurityPolicy::generateReferrer(m_documentLoader->request().getReferrerPolicy(), m_currentItem->url(), m_documentLoader->request().httpReferrer()));
-    m_currentItem->setRequestorOrigin(m_documentLoader->request().requestorOrigin());
     m_currentItem->setFormInfoFromRequest(m_documentLoader->request());
 
     // Don't propagate state from the old item to the new item if there isn't an old item (obviously),
     // or if this is a back/forward navigation, since we explicitly want to restore the state we just
     // committed.
     if (!oldItem || historyCommitType == BackForwardCommit)
         return;
     // Don't propagate state from the old item if this is a different-document navigation, unless the before
     // and after pages are logically related. This means they have the same url (ignoring fragment) and
     // the new item was loaded via reload or client redirect.
@@ skipping 1227 matching lines @@
     tracedValue->setString("documentLoaderURL", m_documentLoader ? m_documentLoader->url() : String());
     return tracedValue;
 }
 
 inline void FrameLoader::takeObjectSnapshot() const
 {
     TRACE_EVENT_OBJECT_SNAPSHOT_WITH_ID("loading", "FrameLoader", this, toTracedValue());
 }
 
 } // namespace blink