Add first-class support for user scripts

chrome/browser/extensions/user_script_master.h

 // Copyright (c) 2008 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 <vector>
 
 #include "base/directory_watcher.h"
@@ skipping 43 matching lines @@
   FilePath user_script_dir() const { return user_script_dir_; }
 
  private:
   FRIEND_TEST(UserScriptMasterTest, Parse1);
   FRIEND_TEST(UserScriptMasterTest, Parse2);
   FRIEND_TEST(UserScriptMasterTest, Parse3);
   FRIEND_TEST(UserScriptMasterTest, Parse4);
   FRIEND_TEST(UserScriptMasterTest, Parse5);
   FRIEND_TEST(UserScriptMasterTest, Parse6);
 
+ public:
   // We reload user scripts on the file thread to prevent blocking the UI.
   // ScriptReloader lives on the file thread and does the reload
   // work, and then sends a message back to its master with a new SharedMemory*.
   // ScriptReloader is the worker that manages running the script scan
   // on the file thread. It must be created on, and its public API must only be
   // called from, the master's thread.
   class ScriptReloader
       : public base::RefCountedThreadSafe<UserScriptMaster::ScriptReloader> {
    public:
     // Parses the includes out of |script| and returns them in |includes|.
@@ skipping 37 matching lines @@
     // May be NULL if DisownMaster() is called.
     UserScriptMaster* master_;
 
     // The message loop to call our master back on.
     // Expected to always outlive us.
     ChromeThread::ID master_thread_id_;
 
     DISALLOW_COPY_AND_ASSIGN(ScriptReloader);
   };
 
+ private:
   // DirectoryWatcher::Delegate implementation.
   virtual void OnDirectoryChanged(const FilePath& path);
 
   // NotificationObserver implementation.
   virtual void Observe(NotificationType type,
                        const NotificationSource& source,
                        const NotificationDetails& details);
 
   // Manages our notification registrations.
   NotificationRegistrar registrar_;
@@ skipping 20 matching lines @@
 
   // If the script directory is modified while we're rescanning it, we note
   // that we're currently mid-scan and then start over again once the scan
   // finishes.  This boolean tracks whether another scan is pending.
   bool pending_scan_;
 
   DISALLOW_COPY_AND_ASSIGN(UserScriptMaster);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_USER_SCRIPT_MASTER_H_