PlzNavigate: ensure POST submissions create navigation entries

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.
@@ skipping 931 matching lines @@
   // From the HTML5 spec for location.assign():
   // "If the browsing context's session history contains only one Document,
   // and that was the about:blank Document created when the browsing context
   // was created, then the navigation must be done with replacement enabled."
   if (request.replacesCurrentItem() ||
       (!m_stateMachine.committedMultipleRealLoads() &&
        equalIgnoringCase(m_frame->document()->url(), blankURL())))
     return FrameLoadTypeReplaceCurrentItem;
 
   if (request.resourceRequest().url() == m_documentLoader->urlForHistory()) {
+    if (request.resourceRequest().httpMethod() == HTTPNames::POST)
+      return FrameLoadTypeStandard;
     if (!request.originDocument())
       return FrameLoadTypeReloadMainResource;
-    return request.resourceRequest().httpMethod() == HTTPNames::POST
-               ? FrameLoadTypeStandard
-               : FrameLoadTypeReplaceCurrentItem;
+    return FrameLoadTypeReplaceCurrentItem;
   }
 
   if (request.substituteData().failingURL() ==
           m_documentLoader->urlForHistory() &&
       m_loadType == FrameLoadTypeReload)
     return FrameLoadTypeReload;
 
   if (m_frame->settings()->getHistoryEntryRequiresUserGesture() &&
       request.originDocument() &&
       !request.originDocument()->hasReceivedUserGesture())
@@ skipping 939 matching lines @@
                          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