Create errors (especially cancellation errors) internally to WebCore, rather

Source/WebCore/loader/ResourceLoader.cpp

 /*
  * Copyright (C) 2006, 2007, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2007 Graham Dennis (graham.dennis@gmail.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
  *     notice, this list of conditions and the following disclaimer. 
@@ skipping 334 matching lines @@
 {
     cancel(ResourceError());
 }
 
 void ResourceLoader::cancel(const ResourceError& error)
 {
     // If the load has already completed - succeeded, failed, or previously cancelled - do nothing.
     if (m_reachedTerminalState)
         return;
        
-    ResourceError nonNullError = error.isNull() ? cancelledError() : error;
+    ResourceError nonNullError = error.isNull() ? ResourceError::createCancelledError(m_request.url()) : error;
 
     // This function calls out to clients at several points that might do
     // something that causes the last reference to this object to go away.
     RefPtr<ResourceLoader> protector(this);
     
     // If we re-enter cancel() from inside this if() block, we want to pick up from where we left
     // off without re-running it
     if (m_state == Initialized) {
         LOG(ResourceLoading, "Cancelled load of '%s'.\n", m_resource->url().string().latin1().data());
         m_state = Finishing;
@@ skipping 21 matching lines @@
             frameLoader()->notifier()->didFailToLoad(this, nonNullError);
     }
 
     // If cancel() completed from within the call to willCancel() or didFailToLoad(),
     // we don't want to redo didCancel() or releasesResources().
     if (m_reachedTerminalState)
         return;
     releaseResources();
 }
 
-ResourceError ResourceLoader::cancelledError()
-{
-    return frameLoader()->cancelledError(m_request);
-}
-
-ResourceError ResourceLoader::cannotShowURLError()
-{
-    return frameLoader()->client()->cannotShowURLError(m_request);
-}
-
 void ResourceLoader::willSendRequest(ResourceHandle*, ResourceRequest& request, const ResourceResponse& redirectResponse)
 {
     if (documentLoader()->applicationCacheHost()->maybeLoadFallbackForRedirect(this, request, redirectResponse))
         return;
     willSendRequest(request, redirectResponse);
 }
 
 void ResourceLoader::didSendData(ResourceHandle*, unsigned long long bytesSent, unsigned long long totalBytesToBeSent)
 {
     ASSERT(m_state == Initialized);
@@ skipping 82 matching lines @@
     info.addMember(m_originalRequest, "originalRequest");
     info.addMember(m_resourceData, "resourceData");
     info.addMember(m_deferredRequest, "deferredRequest");
     info.addMember(m_options, "options");
     info.addMember(m_resource, "resource");
     info.addMember(m_documentLoader, "documentLoader");
     info.addMember(m_requestCountTracker, "requestCountTracker");
 }
 
 }