[WIP2] 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(!loader_);
 
   if (resource_->Options().synchronous_policy == kRequestSynchronously &&
       Context().DefersLoading()) {
     Cancel();
     return;
   }
 
-  loader_ = Platform::Current()->CreateURLLoader();
+  loader_ = Context().CreateURLLoader();
   DCHECK(loader_);
   loader_->SetDefersLoading(Context().DefersLoading());
   loader_->SetLoadingTaskRunner(Context().LoadingTaskRunner().Get());
 
   if (is_cache_aware_loading_activated_) {
     // Override cache policy for cache-aware loading. If this request fails, a
     // reload with original request will be triggered in didFail().
     ResourceRequest cache_aware_request(request);
     cache_aware_request.SetCachePolicy(WebCachePolicy::kReturnCacheDataIfValid);
     loader_->LoadAsynchronously(WrappedResourceRequest(cache_aware_request),
@@ skipping 430 matching lines @@
     return;
 
   // Don't activate if cache policy is explicitly set.
   if (request.GetCachePolicy() != WebCachePolicy::kUseProtocolCachePolicy)
     return;
 
   is_cache_aware_loading_activated_ = true;
 }
 
 }  // namespace blink