Remove unused constants and functions from Files app.

chrome/browser/chromeos/file_manager/volume_manager.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_MANAGER_VOLUME_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_MANAGER_VOLUME_MANAGER_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 30 matching lines @@
 class SnapshotManager;
 class VolumeManagerObserver;
 
 // Identifiers for volume types managed by Chrome OS file manager.
 enum VolumeType {
   VOLUME_TYPE_TESTING = -1,  // Used only in tests.
   VOLUME_TYPE_GOOGLE_DRIVE = 0,
   VOLUME_TYPE_DOWNLOADS_DIRECTORY,
   VOLUME_TYPE_REMOVABLE_DISK_PARTITION,
   VOLUME_TYPE_MOUNTED_ARCHIVE_FILE,
-  VOLUME_TYPE_CLOUD_DEVICE,
   VOLUME_TYPE_PROVIDED,  // File system provided by the FileSystemProvider API.
   VOLUME_TYPE_MTP,
   // The enum values must be kept in sync with FileManagerVolumeType in
   // tools/metrics/histograms/histograms.xml. Since enums for histograms are
   // append-only (for keeping the number consistent across versions), new values
   // for this enum also has to be always appended at the end (i.e., here).
   NUM_VOLUME_TYPE,
 };
 
 // Says how was the mount performed, whether due to user interaction, or
@@ skipping 226 matching lines @@
 
   // Note: This should remain the last member so it'll be destroyed and
   // invalidate its weak pointers before any other members are destroyed.
   base::WeakPtrFactory<VolumeManager> weak_ptr_factory_;
   DISALLOW_COPY_AND_ASSIGN(VolumeManager);
 };
 
 }  // namespace file_manager
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_MANAGER_VOLUME_MANAGER_H_