Enable file_handlers and chrome.app.runtime for QuickOffice.

chrome/browser/ui/startup/startup_browser_creator_impl.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/startup/startup_browser_creator_impl.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "apps/app_restore_service.h"
@@ skipping 476 matching lines @@
 
     AppLaunchParams params(profile, extension, launch_container, NEW_WINDOW);
     params.command_line = command_line_;
     params.current_directory = cur_dir_;
     WebContents* tab_in_app_window = OpenApplication(params);
 
     if (out_app_contents)
       *out_app_contents = tab_in_app_window;
 
     // Platform apps fire off a launch event which may or may not open a window.
-    return (tab_in_app_window != NULL || extension->is_platform_app());
+    return (tab_in_app_window != NULL || LaunchesViaEvent(extension));
   }
 
   if (url_string.empty())
     return false;
 
 #if defined(OS_WIN)  // Fix up Windows shortcuts.
   ReplaceSubstringsAfterOffset(&url_string, 0, "\\x", "%");
 #endif
   GURL url(url_string);
 
@@ skipping 426 matching lines @@
       // If the first URL is the NTP, replace it with the sync promo. This
       // behavior is desired because completing or skipping the sync promo
       // causes a redirect to the NTP.
       if (!startup_urls->empty() && IsNewTabURL(profile_, startup_urls->at(0)))
         startup_urls->at(0) = sync_promo_url;
       else
         startup_urls->insert(startup_urls->begin(), sync_promo_url);
     }
   }
 }