Add concept of an options page to Extensions....

chrome/browser/extensions/extensions_ui.h

 // Copyright (c) 2006-2009 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_EXTENSIONS_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 77 matching lines @@
 
   // Callback for "reload" message.
   void HandleReloadMessage(const Value* value);
 
   // Callback for "enable" message.
   void HandleEnableMessage(const Value* value);
 
   // Callback for "uninstall" message.
   void HandleUninstallMessage(const Value* value);
 
+  // Callback for "options" message.
+  void HandleOptionsMessage(const Value* value);
+
   // Callback for "load" message.
   void HandleLoadMessage(const Value* value);
 
   // Callback for "pack" message.
   void HandlePackMessage(const Value* value);
 
   // Callback for "autoupdate" message.
   void HandleAutoUpdateMessage(const Value* value);
 
   // Utility for calling javascript window.alert in the page.
@@ skipping 38 matching lines @@
 
 class ExtensionsUI : public DOMUI {
  public:
   explicit ExtensionsUI(TabContents* contents);
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ExtensionsUI);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSIONS_UI_H_