Create a ManagedModeNavigationObserver only for managed users.

chrome/browser/managed_mode/managed_mode_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/prefs/pref_service.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/infobars/confirm_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/managed_mode/managed_mode.h"
 #include "chrome/browser/managed_mode/managed_mode_interstitial.h"
+#include "chrome/browser/managed_mode/managed_mode_navigation_observer.h"
 #include "chrome/browser/managed_mode/managed_user_service.h"
 #include "chrome/browser/managed_mode/managed_user_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/web_contents_modal_dialog_manager.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
@@ skipping 177 matching lines @@
       InterstitialObserver observer(tab, loop_runner->QuitClosure());
       interstitial_page->DontProceed();
       loop_runner->Run();
     }
     EXPECT_FALSE(IsPreviewInfobarPresent());
     EXPECT_FALSE(IsAlreadyAddedInfobarPresent());
   }
 
  protected:
   virtual void SetUpOnMainThread() OVERRIDE {
+    // Set up the ManagedModeNavigationObserver manually since the profile was
+    // not managed when the browser was created.
+    content::WebContents* web_contents =
+        browser()->tab_strip_model()->GetActiveWebContents();
+    ManagedModeNavigationObserver::CreateForWebContents(web_contents);
+
     Profile* profile = browser()->profile();
     managed_user_service_ = ManagedUserServiceFactory::GetForProfile(profile);
     profile->GetPrefs()->SetBoolean(prefs::kProfileIsManaged, true);
     managed_user_service_->Init();
   }
 
   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
     // Enable the test server and remap all URLs to it.
     ASSERT_TRUE(test_server()->Start());
     std::string host_port = test_server()->host_port_pair().ToString();
@@ skipping 386 matching lines @@
       interstitial_page->GetDelegateForTesting();
 
   // Simulate the click on the "preview" button.
   delegate->CommandReceived("\"preview\"");
   WebContentsModalDialogManager* web_contents_modal_dialog_manager =
       WebContentsModalDialogManager::FromWebContents(tab);
   EXPECT_TRUE(web_contents_modal_dialog_manager->IsShowingDialog());
 }
 
 }  // namespace