Revert 138962

Source/WebCore/platform/network/mac/ResourceHandleMac.mm

 /*
  * Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 339 matching lines @@
 NSURLConnection *ResourceHandle::connection() const
 {
     return d->m_connection.get();
 }
 
 bool ResourceHandle::loadsBlocked()
 {
     return false;
 }
 
+bool ResourceHandle::willLoadFromCache(ResourceRequest& request, Frame*)
+{
+    request.setCachePolicy(ReturnCacheDataDontLoad);
+    NSURLResponse *nsURLResponse = nil;
+    BEGIN_BLOCK_OBJC_EXCEPTIONS;
+
+    [NSURLConnection sendSynchronousRequest:request.nsURLRequest() returningResponse:&nsURLResponse error:nil];
+    
+    END_BLOCK_OBJC_EXCEPTIONS;
+    
+    return nsURLResponse;
+}
+
 CFStringRef ResourceHandle::synchronousLoadRunLoopMode()
 {
     return CFSTR("WebCoreSynchronousLoaderRunLoopMode");
 }
 
 void ResourceHandle::loadResourceSynchronously(NetworkingContext* context, const ResourceRequest& request, StoredCredentials storedCredentials, ResourceError& error, ResourceResponse& response, Vector<char>& data)
 {
     LOG(Network, "ResourceHandle::loadResourceSynchronously:%@ allowStoredCredentials:%u", request.nsURLRequest(), storedCredentials);
 
 #if ENABLE(BLOB)
@@ skipping 550 matching lines @@
 void WebCoreSynchronousLoaderClient::didFail(ResourceHandle*, const ResourceError& error)
 {
     ASSERT(!m_error);
 
     m_error = [error copy];
     m_isDone = true;
 }
 
 
 #endif // !USE(CFNETWORK)