| 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 bf836d3d8de9c0974f9523e72bb32f0c5922450c..eae5fad9875b312db3bc4fc43049d2264de93363 100644 | 
| --- a/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp | 
| +++ b/third_party/WebKit/Source/core/loader/ThreadableLoader.cpp | 
| @@ -34,8 +34,16 @@ | 
| #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/RuntimeEnabledFeatures.h" | 
| +#include "platform/exported/WrappedResourceRequest.h" | 
| +#include "platform/loader/fetch/FetchParameters.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 +55,15 @@ ThreadableLoader* ThreadableLoader::Create( | 
| DCHECK(client); | 
|  | 
| if (context.IsWorkerGlobalScope()) { | 
| +    if (RuntimeEnabledFeatures::offMainThreadFetchEnabled()) { | 
| +      WorkerFetchContext* worker_fetch_contrext = | 
| +          ToWorkerGlobalScope(&context)->FetchContext(); | 
| +      if (worker_fetch_contrext) { | 
| +        return DocumentThreadableLoader::Create( | 
| +            *ThreadableLoadingContext::Create(*ToWorkerGlobalScope(&context)), | 
| +            client, options, resource_loader_options); | 
| +      } | 
| +    } | 
| return WorkerThreadableLoader::Create(ToWorkerGlobalScope(context), client, | 
| options, resource_loader_options); | 
| } | 
|  |