Page actions behave as disableable browser actions when script badges are enabled.

chrome/browser/ui/views/extensions/browser_action_overflow_menu_controller.cc

 // 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.
 
 #include "chrome/browser/ui/views/extensions/browser_action_overflow_menu_controller.h"
 
 #include "base/message_loop.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_context_menu_model.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 69 matching lines @@
     // command.
     MessageLoop::current()->DeleteSoon(FROM_HERE, this);
   }
   return true;
 }
 
 void BrowserActionOverflowMenuController::CancelMenu() {
   menu_->Cancel();
 }
 
+bool BrowserActionOverflowMenuController::IsCommandEnabled(int id) const {
+  BrowserActionView* view = (*views_)[start_index_ + id - 1];
+  return view->button()->IsEnabled(owner_->GetCurrentTabId());
+}
+
 void BrowserActionOverflowMenuController::ExecuteCommand(int id) {
   BrowserActionView* view = (*views_)[start_index_ + id - 1];
   owner_->OnBrowserActionExecuted(view->button());
 }
 
 bool BrowserActionOverflowMenuController::ShowContextMenu(
     views::MenuItemView* source,
     int id,
     const gfx::Point& p,
     bool is_mouse_gesture) {
@@ skipping 113 matching lines @@
 
 BrowserActionView* BrowserActionOverflowMenuController::ViewForId(
     int id, size_t* index) {
   // The index of the view being dragged (GetCommand gives a 1-based index into
   // the overflow menu).
   size_t view_index = owner_->VisibleBrowserActions() + id - 1;
   if (index)
     *index = view_index;
   return owner_->GetBrowserActionViewAt(view_index);
 }