Rename 'harddisk' to 'fixed' for storage unit type

chrome/browser/extensions/api/system_info_storage/storage_info_provider_linux.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/api/system_info_storage/storage_info_provider_linux.h"
 
 #include <mntent.h>
 #include <sys/vfs.h>
 
 namespace extensions {
@@ skipping 72 matching lines @@
   }
 
   // Create a udev device from a block device number.
   ScopedUdevDeviceObject device(udev_device_new_from_devnum(
         udev_context_, 'b', stat_info.st_dev));
   if (!device)
     return false;
   if (GetUdevDevicePropertyValue(device, "ID_BUS") == "usb") {
     *type = systeminfo::kStorageTypeRemovable;
   } else if (GetUdevDevicePropertyValue(device, "ID_TYPE") == "disk") {
-    *type = systeminfo::kStorageTypeHardDisk;
+    *type = systeminfo::kStorageTypeFixed;
   } else {
     *type = systeminfo::kStorageTypeUnknown;
   }
   return true;
 }
 
 // static
 StorageInfoProvider* StorageInfoProvider::Get() {
   return StorageInfoProvider::GetInstance<StorageInfoProviderLinux>();
 }
 
 }  // namespace extensions