Prevent bindings escalation on an existing NavigationEntry (attempt 2).

chrome/browser/sessions/session_restore_browsertest.cc

 // Copyright (c) 2012 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/command_line.h"
 #include "base/file_path.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/defaults.h"
@@ skipping 17 matching lines @@
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
+#include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/bindings_policy.h"
 #include "content/public/common/page_transition_types.h"
 #include "content/public/test/test_navigation_observer.h"
 #include "sync/protocol/session_specifics.pb.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 
 class SessionRestoreTest : public InProcessBrowserTest {
  public:
@@ skipping 527 matching lines @@
 
   Browser* new_browser = QuitBrowserAndRestore(browser(), 1);
   ASSERT_EQ(1u, native_browser_list->size());
   ASSERT_EQ(url2_,
             new_browser->tab_strip_model()->GetActiveWebContents()->GetURL());
   GoBack(new_browser);
   ASSERT_EQ(url1_,
             new_browser->tab_strip_model()->GetActiveWebContents()->GetURL());
 }
 
+IN_PROC_BROWSER_TEST_F(SessionRestoreTest, RestoreWebUI) {
+  const GURL webui_url("chrome://newtab");
+  ui_test_utils::NavigateToURL(browser(), webui_url);
+  const content::WebContents* old_tab =
+      browser()->tab_strip_model()->GetActiveWebContents();
+  EXPECT_EQ(content::BINDINGS_POLICY_WEB_UI,
+            old_tab->GetRenderViewHost()->GetEnabledBindings());
+
+  Browser* new_browser = QuitBrowserAndRestore(browser(), 1);
+  ASSERT_EQ(1u, native_browser_list->size());
+  const content::WebContents* new_tab =
+      new_browser->tab_strip_model()->GetActiveWebContents();
+  EXPECT_EQ(webui_url, new_tab->GetURL());
+  EXPECT_EQ(content::BINDINGS_POLICY_WEB_UI,
+            new_tab->GetRenderViewHost()->GetEnabledBindings());
+}
+
 IN_PROC_BROWSER_TEST_F(SessionRestoreTest, RestoresForwardAndBackwardNavs) {
   ui_test_utils::NavigateToURL(browser(), url1_);
   ui_test_utils::NavigateToURL(browser(), url2_);
   ui_test_utils::NavigateToURL(browser(), url3_);
 
   GoBack(browser());
   Browser* new_browser = QuitBrowserAndRestore(browser(), 1);
   ASSERT_EQ(1u, native_browser_list->size());
   ASSERT_EQ(url2_,
             new_browser->tab_strip_model()->GetActiveWebContents()->GetURL());
@@ skipping 347 matching lines @@
   content::NavigationController* controller =
       &browser()->tab_strip_model()->GetActiveWebContents()->GetController();
   EXPECT_TRUE(
       controller->GetDefaultSessionStorageNamespace()->should_persist());
 
   // Quit and restore. Check that no extra tabs were created.
   Browser* new_browser = QuitBrowserAndRestore(browser(), 1);
   ASSERT_EQ(1u, native_browser_list->size());
   EXPECT_EQ(1, new_browser->tab_strip_model()->count());
 }