Remove all the ephemeral apps code.

chrome/browser/chromeos/file_manager/file_tasks.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/chromeos/file_manager/file_tasks.h"
 
 #include "apps/launcher.h"
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
@@ skipping 387 matching lines @@
            enabled_extensions.begin();
        iter != enabled_extensions.end();
        ++iter) {
     const Extension* extension = iter->get();
 
     // Check that the extension can be launched via an event. This includes all
     // platform apps plus whitelisted extensions.
     if (!CanLaunchViaEvent(extension))
       continue;
 
-    // Ephemeral apps cannot be file handlers.
-    if (extensions::util::IsEphemeralApp(extension->id(), profile))
-      continue;
-
     if (profile->IsOffTheRecord() &&
         !extensions::util::IsIncognitoEnabled(extension->id(), profile))
       continue;
 
     typedef std::vector<const extensions::FileHandlerInfo*> FileHandlerList;
     FileHandlerList file_handlers =
         FindFileHandlersForFiles(*extension, path_mime_set);
     if (file_handlers.empty())
       continue;
 
@@ skipping 143 matching lines @@
     DCHECK(!task->is_default());
     if (IsFallbackFileHandler(task->task_descriptor())) {
       task->set_is_default(true);
       return;
     }
   }
 }
 
 }  // namespace file_tasks
 }  // namespace file_manager