DataSaver support for off-main-thread-fetch

content/browser/service_worker/service_worker_browsertest.cc

Index: content/browser/service_worker/service_worker_browsertest.cc
diff --git a/content/browser/service_worker/service_worker_browsertest.cc b/content/browser/service_worker/service_worker_browsertest.cc
index 3ce0823e08dac741be26ae12a411758bc2ebcc70..3f96ad842386c5c7acf27cc5b5d3c694de31f0aa 100644
--- a/content/browser/service_worker/service_worker_browsertest.cc
+++ b/content/browser/service_worker/service_worker_browsertest.cc
@@ -1331,6 +1331,16 @@ class MockContentBrowserClient : public TestContentBrowserClient {
   bool data_saver_enabled_;
 };
 
+class ServiceWorkerVersionOffMainThreadFetchTest
+    : public ServiceWorkerVersionBrowserTest {
+ public:
+  ~ServiceWorkerVersionOffMainThreadFetchTest() override {}
+  void SetUpCommandLine(base::CommandLine* command_line) override {
+    command_line->AppendSwitchASCII(switches::kEnableFeatures,
+                                    features::kOffMainThreadFetch.name);
+  }
+};
+
 IN_PROC_BROWSER_TEST_F(ServiceWorkerVersionBrowserTest, FetchWithSaveData) {
   embedded_test_server()->RegisterRequestHandler(
       base::Bind(&VerifySaveDataHeaderInRequest));
@@ -1343,6 +1353,19 @@ IN_PROC_BROWSER_TEST_F(ServiceWorkerVersionBrowserTest, FetchWithSaveData) {
   SetBrowserClientForTesting(old_client);
 }
 
+IN_PROC_BROWSER_TEST_F(ServiceWorkerVersionOffMainThreadFetchTest,
+                       FetchWithSaveData) {
+  embedded_test_server()->RegisterRequestHandler(
+      base::Bind(&VerifySaveDataHeaderInRequest));
+  StartServerAndNavigateToSetup();
+  MockContentBrowserClient content_browser_client;
+  content_browser_client.set_data_saver_enabled(true);
+  ContentBrowserClient* old_client =
+      SetBrowserClientForTesting(&content_browser_client);
+  InstallTestHelper("/service_worker/fetch_in_install.js", SERVICE_WORKER_OK);
+  SetBrowserClientForTesting(old_client);
+}
+
 IN_PROC_BROWSER_TEST_F(ServiceWorkerVersionBrowserTest,
                        RequestWorkerScriptWithSaveData) {
   embedded_test_server()->RegisterRequestHandler(