Remove attempt to be smart about where to open navigations

chrome/browser/extensions/extension_dom_ui.h

 // Copyright (c) 2010 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_EXTENSION_DOM_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_DOM_UI_H_
 #pragma once
 
 #include <string>
 
 #include "base/scoped_ptr.h"
 #include "chrome/browser/dom_ui/dom_ui.h"
 #include "chrome/browser/extensions/extension_bookmark_manager_api.h"
 #include "chrome/browser/extensions/extension_function_dispatcher.h"
 #include "chrome/browser/favicon_service.h"
 #include "chrome/common/extensions/extension.h"
 
 class ListValue;
 class PrefService;
 class Profile;
 class RenderViewHost;
 class TabContents;
 struct ViewHostMsg_DomMessage_Params;
 
 // This class implements DOMUI for extensions and allows extensions to put UI in
-// the main tab contents area.
+// the main tab contents area. For example, each extension can specify an
+// "options_page", and that page is displayed in the tab contents area and is
+// hosted by this class.
 class ExtensionDOMUI
     : public DOMUI,
       public ExtensionFunctionDispatcher::Delegate {
  public:
   static const char kExtensionURLOverrides[];
 
   explicit ExtensionDOMUI(TabContents* tab_contents);
 
   ExtensionFunctionDispatcher* extension_function_dispatcher() const {
     return extension_function_dispatcher_.get();
@@ skipping 48 matching lines @@
 
   // When the RenderViewHost changes (RenderViewCreated and RenderViewReused),
   // we need to reset the ExtensionFunctionDispatcher so it's talking to the
   // right one, as well as being linked to the correct URL.
   void ResetExtensionFunctionDispatcher(RenderViewHost* render_view_host);
 
   void ResetExtensionBookmarkManagerEventRouter();
 
   scoped_ptr<ExtensionFunctionDispatcher> extension_function_dispatcher_;
 
+  // TODO(aa): This seems out of place. Why is it not with the event routers for
+  // the other extension APIs?
   scoped_ptr<ExtensionBookmarkManagerEventRouter>
       extension_bookmark_manager_event_router_;
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_DOM_UI_H_