Remove unused constants and functions from Files app.

TEST=Compiles and all current tests pass.
BUG=None

Review URL: https://codereview.chromium.org/1062853004

Cr-Commit-Position: refs/heads/master@{#324011}

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

@@ -207,10 +207,6 @@ void VolumeToVolumeMetadata(
     case VOLUME_TYPE_MOUNTED_ARCHIVE_FILE:
       volume_metadata->volume_type = file_manager_private::VOLUME_TYPE_ARCHIVE;
       break;
-    case VOLUME_TYPE_CLOUD_DEVICE:
-      volume_metadata->volume_type =
-          file_manager_private::VOLUME_TYPE_CLOUD_DEVICE;
-      break;
     case VOLUME_TYPE_PROVIDED:
       volume_metadata->volume_type = file_manager_private::VOLUME_TYPE_PROVIDED;
       break;

chrome/browser/chromeos/file_manager/volume_manager.cc

@@ -99,8 +99,6 @@ std::string VolumeTypeToString(VolumeType type) {
       return "removable";
     case VOLUME_TYPE_MOUNTED_ARCHIVE_FILE:
       return "archive";
-    case VOLUME_TYPE_CLOUD_DEVICE:
-      return "cloud_device";
     case VOLUME_TYPE_PROVIDED:
       return "provided";
     case VOLUME_TYPE_MTP:

chrome/browser/chromeos/file_manager/volume_manager.h

@@ -48,7 +48,6 @@ enum VolumeType {
   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

chrome/common/extensions/api/file_manager_private.idl

@@ -8,8 +8,8 @@
  implemented_in="chrome/browser/chromeos/extensions/file_manager/file_manager_private_api_functions.h"]
 namespace fileManagerPrivate {
 // Type of the mounted volume.
-enum VolumeType { drive, downloads, removable, archive, cloud_device, provided,
-                  mtp, testing };
+enum VolumeType { drive, downloads, removable, archive, provided, mtp,
+                  testing };
 
 // Device type. Available if this is removable volume.
 enum DeviceType { usb, sd, optical, mobile, unknown };
@@ -525,10 +525,6 @@ callback AddFileWatchCallback = void(optional boolean success);
 // |success| True when file watch is successfully removed.
 callback RemoveFileWatchCallback = void(optional boolean success);
 
-// |fileSystem| A DOMFileSystem instance for local file system access. null if
-// the caller has no appropriate permissions.
-callback RequestFileSystemCallback = void(optional object fileSystem);
-
 // |entryProperties| A dictionary containing properties of the requested
 // entries.
 callback GetEntryPropertiesCallback =

ui/file_manager/file_manager/background/js/volume_manager.js

@@ -352,7 +352,6 @@ volumeManagerUtil.volumeListOrder_ = [
   VolumeManagerCommon.VolumeType.REMOVABLE,
   VolumeManagerCommon.VolumeType.MTP,
   VolumeManagerCommon.VolumeType.PROVIDED,
-  VolumeManagerCommon.VolumeType.CLOUD_DEVICE
 ];
 
 /**
@@ -915,9 +914,6 @@ VolumeManager.prototype.getLocationInfo = function(entry) {
       case VolumeManagerCommon.VolumeType.ARCHIVE:
         rootType = VolumeManagerCommon.RootType.ARCHIVE;
         break;
-      case VolumeManagerCommon.VolumeType.CLOUD_DEVICE:
-        rootType = VolumeManagerCommon.RootType.CLOUD_DEVICE;
-        break;
       case VolumeManagerCommon.VolumeType.MTP:
         rootType = VolumeManagerCommon.RootType.MTP;
         break;

ui/file_manager/file_manager/common/js/volume_manager_common.js

@@ -26,9 +26,6 @@ VolumeManagerCommon.RootType = {
   // Root for a drive volume.
   DRIVE: 'drive',
 
-  // Root for a privet storage volume.
-  CLOUD_DEVICE: 'cloud_device',
-
   // Root for a MTP volume.
   MTP: 'mtp',
 
@@ -123,7 +120,6 @@ VolumeManagerCommon.VolumeType = {
   DOWNLOADS: 'downloads',
   REMOVABLE: 'removable',
   ARCHIVE: 'archive',
-  CLOUD_DEVICE: 'cloud_device',
   MTP: 'mtp',
   PROVIDED: 'provided'
 };
@@ -161,8 +157,6 @@ VolumeManagerCommon.getVolumeTypeFromRootType = function(rootType) {
     case VolumeManagerCommon.RootType.DRIVE_SHARED_WITH_ME:
     case VolumeManagerCommon.RootType.DRIVE_RECENT:
       return VolumeManagerCommon.VolumeType.DRIVE;
-    case VolumeManagerCommon.RootType.CLOUD_DEVICE:
-      return VolumeManagerCommon.VolumeType.CLOUD_DEVICE;
     case VolumeManagerCommon.RootType.MTP:
       return VolumeManagerCommon.VolumeType.MTP;
     case VolumeManagerCommon.RootType.PROVIDED: