Backed out changeset 901f0df29f8f (bug 1337543)

dom/workers/ScriptLoader.cpp

@@ -671,7 +671,6 @@ private:
     RefPtr<mozilla::dom::InternalResponse> ir =
       new mozilla::dom::InternalResponse(200, NS_LITERAL_CSTRING("OK"));
     ir->SetBody(loadInfo.mCacheReadStream, InternalResponse::UNKNOWN_BODY_SIZE);
-
     // Drop our reference to the stream now that we've passed it along, so it
     // doesn't hang around once the cache is done with it and keep data alive.
     loadInfo.mCacheReadStream = nullptr;
@@ -700,7 +699,6 @@ private:
     }
 
     ir->SetPrincipalInfo(Move(principalInfo));
-    ir->Headers()->FillResponseHeaders(loadInfo.mChannel);
 
     RefPtr<mozilla::dom::Response> response =
       new mozilla::dom::Response(mCacheCreator->Global(), ir);