Fix some UI issues with omnibox extensions in incognito.

chrome/browser/extensions/extensions_service.h

 // Copyright (c) 2010 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 163 matching lines @@
   }
 
   const FilePath& install_directory() const { return install_directory_; }
 
   DefaultApps* default_apps() { return &default_apps_; }
 
   // Whether this extension can run in an incognito window.
   bool IsIncognitoEnabled(const Extension* extension);
   void SetIsIncognitoEnabled(const Extension* extension, bool enabled);
 
+  // Returns true if the given extension can see events and data from another
+  // sub-profile (incognito to original profile, or vice versa).
+  bool CanCrossIncognito(const Extension* extension);
+
   // Whether this extension can inject scripts into pages with file URLs.
   bool AllowFileAccess(const Extension* extension);
   void SetAllowFileAccess(const Extension* extension, bool allow);
 
   // Initialize and start all installed extensions.
   void Init();
 
   // Start up the extension event routers.
   void InitEventRouters();
 
@@ skipping 342 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(ExtensionsServiceTest,
                            UpdatePendingExtensionAlreadyInstalled);
   FRIEND_TEST_ALL_PREFIXES(ExtensionsServiceTest,
                            InstallAppsWithUnlimtedStorage);
   FRIEND_TEST_ALL_PREFIXES(ExtensionsServiceTest,
                            InstallAppsAndCheckStorageProtection);
   DISALLOW_COPY_AND_ASSIGN(ExtensionsService);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_SERVICE_H_