[WIP] off-main-thread loading

third_party/WebKit/Source/platform/loader/fetch/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 65 matching lines @@
 
 void ResourceLoader::start(const ResourceRequest& request) {
   DCHECK(!m_loader);
 
   if (m_resource->options().synchronousPolicy == RequestSynchronously &&
       context().defersLoading()) {
     cancel();
     return;
   }
 
-  m_loader = WTF::wrapUnique(Platform::current()->createURLLoader());
+  m_loader = WTF::wrapUnique(context().createURLLoader());
   DCHECK(m_loader);
   m_loader->setDefersLoading(context().defersLoading());
   m_loader->setLoadingTaskRunner(context().loadingTaskRunner().get());
 
   if (m_isCacheAwareLoadingActivated) {
     // Override cache policy for cache-aware loading. If this request fails, a
     // reload with original request will be triggered in didFail().
     ResourceRequest cacheAwareRequest(request);
     cacheAwareRequest.setCachePolicy(WebCachePolicy::ReturnCacheDataIfValid);
     m_loader->loadAsynchronously(WrappedResourceRequest(cacheAwareRequest),
@@ skipping 424 matching lines @@
     return;
 
   // Don't activate if cache policy is explicitly set.
   if (request.getCachePolicy() != WebCachePolicy::UseProtocolCachePolicy)
     return;
 
   m_isCacheAwareLoadingActivated = true;
 }
 
 }  // namespace blink