Only disallow top-level navigations in platform apps

chrome/browser/extensions/platform_app_browsertest.cc

Index: chrome/browser/extensions/platform_app_browsertest.cc
diff --git a/chrome/browser/extensions/platform_app_browsertest.cc b/chrome/browser/extensions/platform_app_browsertest.cc
index 4fb84ae620515a4266321e694d81903d8c48ce0f..aab74f883da89e4eb15fb8053be5d3adb01992d7 100644
--- a/chrome/browser/extensions/platform_app_browsertest.cc
+++ b/chrome/browser/extensions/platform_app_browsertest.cc
@@ -149,6 +149,11 @@ IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, DisallowNavigation) {
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/navigation")) << message_;
 }
 
+IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, Iframes) {
+  ASSERT_TRUE(StartTestServer());
+  ASSERT_TRUE(RunPlatformAppTest("platform_apps/iframes")) << message_;
+}
+
 // Tests that localStorage and WebSQL are disabled for platform apps.
 IN_PROC_BROWSER_TEST_F(PlatformAppBrowserTest, DisallowStorage) {
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/storage")) << message_;