Move UserScript and related into extensions namespace

chrome/common/extensions/user_script.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_COMMON_EXTENSIONS_USER_SCRIPT_H_
 #define CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_
 
 #include <string>
 #include <vector>
 
 #include "base/file_path.h"
 #include "base/string_piece.h"
 #include "googleurl/src/gurl.h"
 #include "chrome/common/extensions/url_pattern.h"
 #include "chrome/common/extensions/url_pattern_set.h"
 
 class Pickle;
 class PickleIterator;
 
+namespace extensions {
+
 // Represents a user script, either a standalone one, or one that is part of an
 // extension.
 class UserScript {
  public:
   // The file extension for standalone user scripts.
   static const char kFileExtension[];
 
   // The bitmask for valid user script injectable schemes used by URLPattern.
   enum {
     kValidUserScriptSchemes = URLPattern::SCHEME_HTTP |
@@ skipping 219 matching lines @@
   // Whether the user script should run in all frames, or only just the top one.
   // Defaults to false.
   bool match_all_frames_;
 
   // True if the script should be injected into an incognito tab.
   bool incognito_enabled_;
 };
 
 typedef std::vector<UserScript> UserScriptList;
 
+}  // namespace extensions
+
 #endif  // CHROME_COMMON_EXTENSIONS_USER_SCRIPT_H_