<webview>: Add test coverage for deferred newwindow attachment.

chrome/browser/apps/web_view_interactive_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 "apps/app_window.h"
 #include "apps/app_window_registry.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/apps/app_browsertest_util.h"
@@ skipping 745 matching lines @@
              "web_view/newwindow",
              NEEDS_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest, NewWindow_Close) {
   TestHelper("testNewWindowClose",
              "web_view/newwindow",
              NEEDS_TEST_SERVER);
 }
 
+IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest, NewWindow_DeferredAttachment) {
+  TestHelper("testNewWindowDeferredAttachment",
+             "web_view/newwindow",
+             NEEDS_TEST_SERVER);
+}
+
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest, NewWindow_ExecuteScript) {
   TestHelper("testNewWindowExecuteScript",
              "web_view/newwindow",
              NEEDS_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_F(WebViewInteractiveTest,
                        NewWindow_DeclarativeWebRequest) {
   TestHelper("testNewWindowDeclarativeWebRequest",
              "web_view/newwindow",
@@ skipping 324 matching lines @@
 
   // Now verify that the selection text propagates properly to RWHV.
   content::RenderWidgetHostView* guest_rwhv =
       guest_web_contents()->GetRenderWidgetHostView();
   ASSERT_TRUE(guest_rwhv);
   std::string selected_text = base::UTF16ToUTF8(guest_rwhv->GetSelectedText());
   ASSERT_TRUE(selected_text.size() >= 10u);
   ASSERT_EQ("AAAAAAAAAA", selected_text.substr(0, 10));
 }
 #endif