<webview>, <appview> and <extensionoptions> can run in a detached state.

chrome/browser/apps/guest_view/web_view_browsertest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/path_service.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
 #include "chrome/browser/chrome_content_browser_client.h"
 #include "chrome/browser/prerender/prerender_link_manager.h"
@@ skipping 826 matching lines @@
   // Flaky on XP bot http://crbug.com/299507
   if (base::win::GetVersion() <= base::win::VERSION_XP)
     return;
 #endif
 
   ASSERT_TRUE(RunPlatformAppTest("platform_apps/web_view/autosize"))
       << message_;
 }
 
 // Test for http://crbug.com/419611.
-IN_PROC_BROWSER_TEST_F(WebViewTest, DISABLED_DisplayNoneSetSrc) {
+IN_PROC_BROWSER_TEST_F(WebViewTest, DisplayNoneSetSrc) {
   LoadAndLaunchPlatformApp("web_view/display_none_set_src",
                            "WebViewTest.LAUNCHED");
   // Navigate the guest while it's in "display: none" state.
   SendMessageToEmbedder("navigate-guest");
   GetGuestViewManager()->WaitForSingleGuestCreated();
 
   // Now attempt to navigate the guest again.
   SendMessageToEmbedder("navigate-guest");
 
   ExtensionTestMessageListener test_passed_listener("WebViewTest.PASSED",
@@ skipping 224 matching lines @@
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestNewWindowNoReferrerLink) {
   TestHelper("testNewWindowNoReferrerLink", "web_view/shim", NEEDS_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestContentLoadEvent) {
   TestHelper("testContentLoadEvent", "web_view/shim", NO_TEST_SERVER);
 }
 
 // TODO(fsamuel): Enable this test once <webview> can run in a detached state.
 IN_PROC_BROWSER_TEST_F(WebViewTest,
-                       DISABLED_Shim_TestContentLoadEventWithDisplayNone) {
+                       Shim_TestContentLoadEventWithDisplayNone) {
   TestHelper("testContentLoadEventWithDisplayNone",
              "web_view/shim",
              NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewTest, Shim_TestDeclarativeWebRequestAPI) {
   TestHelper("testDeclarativeWebRequestAPI",
              "web_view/shim",
              NEEDS_TEST_SERVER);
 }
@@ skipping 1376 matching lines @@
 // http://crbug.com/403325
 #define MAYBE_WebViewInBackgroundPage \
     DISABLED_WebViewInBackgroundPage
 #else
 #define MAYBE_WebViewInBackgroundPage WebViewInBackgroundPage
 #endif
 IN_PROC_BROWSER_TEST_F(WebViewTest, MAYBE_WebViewInBackgroundPage) {
   ASSERT_TRUE(RunExtensionTest("platform_apps/web_view/background"))
       << message_;
 }