Parse the script_badge manifest section.

chrome/browser/extensions/extension_browser_event_router.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/extensions/extension_browser_event_router.h"
 
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/extensions/api/extension_action/extension_page_actions_api_constants.h"
 #include "chrome/browser/extensions/api/tabs/tabs_constants.h"
@@ skipping 671 matching lines @@
   const char* event_name = NULL;
   switch (extension->declared_action_type()) {
     case ExtensionAction::TYPE_NONE:
       break;
     case ExtensionAction::TYPE_BROWSER:
       event_name = "browserAction.onClicked";
       break;
     case ExtensionAction::TYPE_PAGE:
       event_name = "pageAction.onClicked";
       break;
+    case ExtensionAction::TYPE_SCRIPT_BADGE:
+      event_name = "scriptBadge.onClicked";
+      break;
   }
 
   if (event_name) {
     DispatchEventWithTab(profile,
                          extension_id,
                          event_name,
                          tab_contents->web_contents(),
                          true);
   }
 }