[DevTools] Add toolbox web contents to show in undocked mode.

chrome/browser/policy/policy_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 <algorithm>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1352 matching lines @@
       DevToolsWindow::GetInstanceForInspectedRenderViewHost(
           contents->GetRenderViewHost());
   EXPECT_TRUE(devtools_window);
 
   // Disable devtools via policy.
   PolicyMap policies;
   policies.Set(key::kDeveloperToolsDisabled, POLICY_LEVEL_MANDATORY,
                POLICY_SCOPE_USER, base::Value::CreateBooleanValue(true), NULL);
   content::WindowedNotificationObserver close_observer(
       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
-      content::Source<content::WebContents>(devtools_window->web_contents()));
+      content::Source<content::WebContents>(
+          devtools_window->web_contents_for_test()));
   UpdateProviderPolicy(policies);
   // wait for devtools close
   close_observer.Wait();
   // The existing devtools window should have closed.
   EXPECT_FALSE(DevToolsWindow::GetInstanceForInspectedRenderViewHost(
       contents->GetRenderViewHost()));
   // And it's not possible to open it again.
   EXPECT_FALSE(chrome::ExecuteCommand(browser(), IDC_DEV_TOOLS));
   EXPECT_FALSE(DevToolsWindow::GetInstanceForInspectedRenderViewHost(
       contents->GetRenderViewHost()));
@@ skipping 1586 matching lines @@
   PrefService* prefs = browser()->profile()->GetPrefs();
   EXPECT_TRUE(extensions::NativeMessageProcessHost::IsHostAllowed(
       prefs, "host.name"));
   EXPECT_FALSE(extensions::NativeMessageProcessHost::IsHostAllowed(
       prefs, "other.host.name"));
 }
 
 #endif  // !defined(CHROME_OS)
 
 }  // namespace policy