Send synchronous loads through the cache.

Source/core/fetch/Resource.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
@@ skipping 163 matching lines @@
 
     // FIXME: It's unfortunate that the cache layer and below get to know anything about fragment identifiers.
     // We should look into removing the expectation of that knowledge from the platform network stacks.
     ResourceRequest request(m_resourceRequest);
     if (!m_fragmentIdentifierForRequest.isNull()) {
         KURL url = request.url();
         url.setFragmentIdentifier(m_fragmentIdentifierForRequest);
         request.setURL(url);
         m_fragmentIdentifierForRequest = String();
     }
-
+    m_status = Pending;
     m_loader = ResourceLoader::create(fetcher, this, request, options);
-    if (!m_loader) {
-        failBeforeStarting();
-        return;
-    }
-    m_status = Pending;
+    m_loader->start();
 }
 
 void Resource::checkNotify()
 {
     if (isLoading())
         return;
 
     ResourceClientWalker<ResourceClient> w(m_clients);
     while (ResourceClient* c = w.next())
         c->notifyFinished(this);
 }
 
 void Resource::appendData(const char* data, int length)
 {
     ASSERT(!m_resourceToRevalidate);
     ASSERT(!errorOccurred());
     if (m_options.dataBufferingPolicy == DoNotBufferData)
         return;
     if (m_data)
         m_data->append(data, length);
     else
         m_data = SharedBuffer::create(data, length);
     setEncodedSize(m_data->size());
 }
 
+void Resource::setResourceBuffer(PassRefPtr<SharedBuffer> resourceBuffer)
+{
+    ASSERT(!m_resourceToRevalidate);
+    ASSERT(!errorOccurred());
+    ASSERT(m_options.dataBufferingPolicy == BufferData);
+    m_data = resourceBuffer;
+    setEncodedSize(m_data->size());
+}
+
 void Resource::error(Resource::Status status)
 {
     if (m_resourceToRevalidate)
         revalidationFailed();
 
     if (!m_error.isNull() && (m_error.isCancellation() || !isPreloaded()))
         memoryCache()->remove(this);
 
     setStatus(status);
     ASSERT(errorOccurred());
@@ skipping 646 matching lines @@
     Vector<ResourcePtr<Resource> > resources;
     for (HashSet<Resource*>::iterator it = m_resourcesWithPendingClients.begin(); it != end; ++it)
         resources.append(*it);
     m_resourcesWithPendingClients.clear();
     for (size_t i = 0; i < resources.size(); i++)
         resources[i]->finishPendingClients();
 }
 
 }