Add the new window item to the Files.app's context menu on the launcher.

chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_BROWSER_PRIVATE_API_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_BROWSER_PRIVATE_API_H_
 
 #include <map>
 #include <queue>
 #include <string>
@@ skipping 764 matching lines @@
 
  protected:
   virtual ~ValidatePathNameLengthFunction();
 
   void OnFilePathLimitRetrieved(size_t current_length, size_t max_length);
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 };
 
-// Implements the chrome.fileBrowserPrivate.newWindow method.
-class OpenNewWindowFunction : public AsyncExtensionFunction {
- public:
-  DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.openNewWindow",
-                             FILEBROWSERPRIVATE_OPENNEWWINDOW)
-
-  OpenNewWindowFunction();
-
- protected:
-  virtual ~OpenNewWindowFunction();
-
-  // AsyncExtensionFunction overrides.
-  virtual bool RunImpl() OVERRIDE;
-};
-
 class ZoomFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.zoom",
                              FILEBROWSERPRIVATE_ZOOM);
 
  protected:
   virtual ~ZoomFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_BROWSER_PRIVATE_API_H_