Pass data saver pref value into embedded worker

content/renderer/service_worker/embedded_worker_dispatcher.cc

Index: content/renderer/service_worker/embedded_worker_dispatcher.cc
diff --git a/content/renderer/service_worker/embedded_worker_dispatcher.cc b/content/renderer/service_worker/embedded_worker_dispatcher.cc
index c99168cd0cfb0616ea0b9b1d969be6447c2fb81e..4ec7dea119343491f6663bd4e710052b667e02de 100644
--- a/content/renderer/service_worker/embedded_worker_dispatcher.cc
+++ b/content/renderer/service_worker/embedded_worker_dispatcher.cc
@@ -95,8 +95,9 @@ void EmbeddedWorkerDispatcher::OnStartWorker(
       params.wait_for_debugger ?
           blink::WebEmbeddedWorkerStartData::WaitForDebugger :
           blink::WebEmbeddedWorkerStartData::DontWaitForDebugger;
-  start_data.v8CacheOptions =
-      static_cast<blink::WebSettings::V8CacheOptions>(params.v8_cache_options);
+  start_data.v8CacheOptions = static_cast<blink::WebSettings::V8CacheOptions>(
+      params.settings.v8_cache_options);
+  start_data.dataSaverEnabled = params.settings.data_saver_enabled;
 
   wrapper->worker()->startWorkerContext(start_data);
   workers_.AddWithID(wrapper.release(), params.embedded_worker_id);