Move UserScript and related into extensions namespace

chrome/browser/extensions/user_script_master.h

 // Copyright (c) 2011 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_USER_SCRIPT_MASTER_H_
 #define CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_
 
 #include <map>
 #include <string>
 
@@ skipping 13 matching lines @@
 
 namespace content {
 class RenderProcessHost;
 }
 
 class Profile;
 
 typedef std::map<std::string, ExtensionSet::ExtensionPathAndDefaultLocale>
     ExtensionsInfo;
 
+namespace extensions {
+
 // Manages a segment of shared memory that contains the user scripts the user
 // has installed.  Lives on the UI thread.
 class UserScriptMaster : public base::RefCountedThreadSafe<UserScriptMaster>,
                          public content::NotificationObserver {
  public:
   explicit UserScriptMaster(Profile* profile);
 
   // Kicks off a process on the file thread to reload scripts from disk
   // into a new chunk of shared memory and notify renderers.
   virtual void StartLoad();
@@ skipping 116 matching lines @@
   // that we're currently mid-load and then start over again once the load
   // finishes.  This boolean tracks whether another load is pending.
   bool pending_load_;
 
   // The profile for which the scripts managed here are installed.
   Profile* profile_;
 
   DISALLOW_COPY_AND_ASSIGN(UserScriptMaster);
 };
 
+}  // namespace extensions
+
 #endif  // CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_