service worker: Don't control a subframe of an insecure context

chrome/browser/extensions/service_worker_apitest.cc

Index: chrome/browser/extensions/service_worker_apitest.cc
diff --git a/chrome/browser/extensions/service_worker_apitest.cc b/chrome/browser/extensions/service_worker_apitest.cc
index e43459379906a8e0ebc2660dc7aba86da1b74f6a..2c9e0eef1de88058f76a29a436a5670cb472c838 100644
--- a/chrome/browser/extensions/service_worker_apitest.cc
+++ b/chrome/browser/extensions/service_worker_apitest.cc
@@ -25,6 +25,7 @@
 #include "content/public/browser/permission_type.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/origin_util.h"
 #include "content/public/common/page_type.h"
 #include "content/public/test/background_sync_test_util.h"
 #include "content/public/test/browser_test_utils.h"
@@ -33,6 +34,7 @@
 #include "extensions/browser/process_manager.h"
 #include "extensions/test/background_page_watcher.h"
 #include "extensions/test/extension_test_message_listener.h"
+#include "net/dns/mock_host_resolver.h"
 #include "net/test/embedded_test_server/embedded_test_server.h"
 
 namespace extensions {
@@ -634,9 +636,24 @@ IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, WebAccessibleResourcesIframeSrc) {
       kFlagNone);
   ASSERT_TRUE(extension);
   ASSERT_TRUE(StartEmbeddedTestServer());
-  GURL page_url = embedded_test_server()->GetURL(
-      "/extensions/api_test/service_worker/web_accessible_resources/"
-      "webpage.html");
+
+  // Service workers can only control secure contexts
+  // (https://w3c.github.io/webappsec-secure-contexts/). For documents, this
+  // typically means the document must have a secure origin AND all its ancestor
+  // frames must have documents with secure origins.  However, extension pages
+  // are considered secure, even if they have an ancestor document that is an
+  // insecure context (see GetSchemesBypassingSecureContextCheckWhitelist). So
+  // extension service workers must be able to control an extension page
+  // embedded in an insecure context. To test this, set up an insecure
+  // (non-localhost, non-https) URL for the web page. This page will create
+  // iframes that load extension pages that must be controllable by service
+  // worker.
+  host_resolver()->AddRule("a.com", "127.0.0.1");
+  GURL page_url =
+      embedded_test_server()->GetURL("a.com",
+                                     "/extensions/api_test/service_worker/"
+                                     "web_accessible_resources/webpage.html");
+  EXPECT_FALSE(content::IsOriginSecure(page_url));
 
   content::WebContents* web_contents = AddTab(browser(), page_url);
   std::string result;