Port WebKit r43831 to 172....

third_party/WebKit/WebCore/loader/FrameLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 3184 matching lines @@
 
 FrameLoadType FrameLoader::loadType() const
 {
     return m_loadType;
 }
     
 CachePolicy FrameLoader::cachePolicy() const
 {
     if (m_isComplete)
         return CachePolicyVerify;
-    
+
+    // FIXME: This will return CachePolicyReload for any subresource of a document resulting from a POST request,
+    // making WebCore cache malfunction for such documents (see DocLoader::checkForReload()).
     if (m_loadType == FrameLoadTypeReloadFromOrigin || documentLoader()->request().cachePolicy() == ReloadIgnoringCacheData)
         return CachePolicyReload;
-    
+
     if (Frame* parentFrame = m_frame->tree()->parent()) {
         CachePolicy parentCachePolicy = parentFrame->loader()->cachePolicy();
         if (parentCachePolicy != CachePolicyVerify)
             return parentCachePolicy;
     }
 
     if (m_loadType == FrameLoadTypeReload)
         return CachePolicyRevalidate;
 
     return CachePolicyVerify;
@@ skipping 2052 matching lines @@
         m_client->dispatchDidLoadResourceFromMemoryCache(m_documentLoader.get(), request, resource->response(), resource->encodedSize());
     }
 }
 
 bool FrameLoaderClient::hasHTMLView() const
 {
     return true;
 }
 
 } // namespace WebCore