[WIP] off-main-thread loading

third_party/WebKit/Source/core/loader/ThreadableLoader.cpp

Index: third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp b/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
index 63cefa8db4d2e91d0e78283b3dec8718f7360008..8a723fa73a0f706bb790ca6dee169884b45333a4 100644
--- a/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp
@@ -34,8 +34,15 @@
 #include "core/dom/ExecutionContext.h"
 #include "core/loader/DocumentThreadableLoader.h"
 #include "core/loader/ThreadableLoadingContext.h"
+#include "core/loader/WorkerFetchContext.h"
 #include "core/loader/WorkerThreadableLoader.h"
 #include "core/workers/WorkerGlobalScope.h"
+#include "platform/exported/WrappedResourceRequest.h"
+#include "platform/loader/fetch/FetchRequest.h"
+#include "platform/loader/fetch/RawResource.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebURLLoader.h"
+#include "public/platform/WebURLLoaderClient.h"
 
 namespace blink {
 
@@ -47,6 +54,12 @@ ThreadableLoader* ThreadableLoader::create(
   DCHECK(client);
 
   if (context.isWorkerGlobalScope()) {
+    WorkerFetchContext* workerFetchContrext = WorkerFetchContext::from(context);
+    if (workerFetchContrext) {
+      return DocumentThreadableLoader::create(
+          *ThreadableLoadingContext::create(*toWorkerGlobalScope(&context)),
+          client, options, resourceLoaderOptions);
+    }
     return WorkerThreadableLoader::create(toWorkerGlobalScope(context), client,
                                           options, resourceLoaderOptions);
   }