DataSaver support for off-main-thread-fetch

third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp

Index: third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
diff --git a/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp b/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
index 515700d8ff0847bba14f3a9c03b8db9876ae2f64..91c1f35dc372283ba2e9e00c762ff37719f78c61 100644
--- a/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
+++ b/third_party/WebKit/Source/web/WebEmbeddedWorkerImpl.cpp
@@ -431,8 +431,8 @@ void WebEmbeddedWorkerImpl::StartWorkerThread() {
     std::unique_ptr<WebWorkerFetchContext> web_worker_fetch_context =
         worker_context_client_->CreateServiceWorkerFetchContext();
     DCHECK(web_worker_fetch_context);
-    // TODO(horo): Set more information about the context (ex: DataSaverEnabled)
-    // to |web_worker_fetch_context|.
+    web_worker_fetch_context->SetDataSaverEnabled(
+        document->GetFrame()->GetSettings()->GetDataSaverEnabled());
     ProvideWorkerFetchContextToWorker(worker_clients,
                                       std::move(web_worker_fetch_context));
   }