Reland 220012: Move the functions of filebrowserPrivateApi from the file_manager namespace to the e…

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

 // Copyright 2013 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.
 //
 // This file only provides getStrings() as the .cc file for it is big.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_STRINGS_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_STRINGS_H_
 
 #include "chrome/browser/extensions/extension_function.h"
 
-namespace file_manager {
+namespace extensions {
 
 // Implements the chrome.fileBrowserPrivate.getStrings method.
 // Used to get strings for the file manager from JavaScript.
 class GetStringsFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.getStrings",
                              FILEBROWSERPRIVATE_GETSTRINGS)
 
   GetStringsFunction();
 
  protected:
   virtual ~GetStringsFunction();
 
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 };
 
-}  // namespace file_manager
+}  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_STRINGS_H_