Use the ReloadBypassingCache policy

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 768 matching lines @@
         FrameLoader::addHTTPOriginIfNeeded(request, securityOrigin->toAtomicString());
     }
     return request;
 }
 
 void FrameLoader::reload(ReloadPolicy reloadPolicy, const KURL& overrideURL, const AtomicString& overrideEncoding)
 {
     if (!m_currentItem)
         return;
 
-    ResourceRequest request = requestFromHistoryItem(m_currentItem.get(), ReloadIgnoringCacheData);
+    ResourceRequestCachePolicy cachePolicy = reloadPolicy == EndToEndReload ? ReloadBypassingCache : ReloadIgnoringCacheData;
+    ResourceRequest request = requestFromHistoryItem(m_currentItem.get(), cachePolicy);
     if (!overrideURL.isEmpty()) {
         request.setURL(overrideURL);
         request.clearHTTPReferrer();
     }
 
     FrameLoadType type = reloadPolicy == EndToEndReload ? FrameLoadTypeReloadFromOrigin : FrameLoadTypeReload;
     loadWithNavigationAction(NavigationAction(request, type), type, nullptr, SubstituteData(), NotClientRedirect, overrideEncoding);
 }
 
 void FrameLoader::stopAllLoaders()
@@ skipping 665 matching lines @@
     // FIXME: We need a way to propagate sandbox flags to out-of-process frames.
     Frame* parentFrame = m_frame->tree().parent();
     if (parentFrame && parentFrame->isLocalFrame())
         flags |= toLocalFrame(parentFrame)->document()->sandboxFlags();
     if (FrameOwner* frameOwner = m_frame->ownerElement())
         flags |= frameOwner->sandboxFlags();
     return flags;
 }
 
 } // namespace WebCore