Revert of Add a has_media flag to VolumeMetadata.

chrome/browser/chromeos/extensions/file_manager/private_api_util.cc

 // Copyright 2013 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/extensions/file_manager/private_api_util.h"
 
 #include <string>
 
 #include "base/files/file_path.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 238 matching lines @@
     volume_metadata->device_path.reset(
         new std::string(volume_info.system_path_prefix.AsUTF8Unsafe()));
     volume_metadata->is_parent_device.reset(
         new bool(volume_info.is_parent));
   } else {
     volume_metadata->device_type =
         file_manager_private::DEVICE_TYPE_NONE;
   }
 
   volume_metadata->is_read_only = volume_info.is_read_only;
-  volume_metadata->has_media = volume_info.has_media;
 
   switch (volume_info.mount_condition) {
     case chromeos::disks::MOUNT_CONDITION_NONE:
       volume_metadata->mount_condition =
           file_manager_private::MOUNT_CONDITION_NONE;
       break;
     case chromeos::disks::MOUNT_CONDITION_UNKNOWN_FILESYSTEM:
       volume_metadata->mount_condition =
           file_manager_private::MOUNT_CONDITION_UNKNOWN;
       break;
@@ skipping 61 matching lines @@
 }
 
 drive::EventLogger* GetLogger(Profile* profile) {
   drive::DriveIntegrationService* service =
       drive::DriveIntegrationServiceFactory::FindForProfile(profile);
   return service ? service->event_logger() : NULL;
 }
 
 }  // namespace util
 }  // namespace file_manager