Revert 138962

Source/WebCore/platform/network/soup/ResourceHandleSoup.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Xan Lopez <xan@gnome.org>
  * Copyright (C) 2008, 2010 Collabora Ltd.
  * Copyright (C) 2009 Holger Hans Peter Freyther
  * Copyright (C) 2009 Gustavo Noronha Silva <gns@gnome.org>
  * Copyright (C) 2009 Christian Dywan <christian@imendio.com>
  * Copyright (C) 2009, 2010, 2011, 2012 Igalia S.L.
  * Copyright (C) 2009 John Kjellberg <john.kjellberg@power.alstom.com>
@@ skipping 1268 matching lines @@
         else
             sendRequestCallback(G_OBJECT(d->m_soupRequest.get()), asyncResult.get(), this);
     }
 }
 
 bool ResourceHandle::loadsBlocked()
 {
     return false;
 }
 
+bool ResourceHandle::willLoadFromCache(ResourceRequest&, Frame*)
+{
+    // Not having this function means that we'll ask the user about re-posting a form
+    // even when we go back to a page that's still in the cache.
+    notImplemented();
+    return false;
+}
+
 void ResourceHandle::loadResourceSynchronously(NetworkingContext* context, const ResourceRequest& request, StoredCredentials /*storedCredentials*/, ResourceError& error, ResourceResponse& response, Vector<char>& data)
 {
 #if ENABLE(BLOB)
     if (request.url().protocolIs("blob")) {
         blobRegistry().loadResourceSynchronously(request, error, response, data);
         return;
     }
 #endif
  
     ASSERT(!loadingSynchronousRequest);
@@ skipping 135 matching lines @@
     return session;
 }
 
 uint64_t ResourceHandle::getSoupRequestInitiatingPageID(SoupRequest* request)
 {
     uint64_t* initiatingPageIDPtr = static_cast<uint64_t*>(g_object_get_data(G_OBJECT(request), gSoupRequestInitiatingPageIDKey));
     return initiatingPageIDPtr ? *initiatingPageIDPtr : 0;
 }
 
 }