[Fetch API] Put body members directly on Response/Request

Source/modules/serviceworkers/FetchManager.cpp

Index: Source/modules/serviceworkers/FetchManager.cpp
diff --git a/Source/modules/serviceworkers/FetchManager.cpp b/Source/modules/serviceworkers/FetchManager.cpp
index 03f5c33f0ebc552b09ff19473ceb0039003967f4..0de5df5e0ea6df3f7df0d26a6ee2b2064f27769b 100644
--- a/Source/modules/serviceworkers/FetchManager.cpp
+++ b/Source/modules/serviceworkers/FetchManager.cpp
@@ -112,7 +112,7 @@ void FetchManager::Loader::didFinishLoading(unsigned long, double)
         response = response->createOpaqueFilteredResponse();
         break;
     }
-    m_resolver->resolve(Response::create(response));
+    m_resolver->resolve(Response::create(m_resolver->executionContext(), response));
     notifyFinished();
 }