Defer ARC file system operations while ARC is booting.

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 <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
+#include "chrome/browser/chromeos/arc/arc_session_manager.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/file_system_provider/observer.h"
 #include "chrome/browser/chromeos/file_system_provider/service.h"
 #include "chromeos/dbus/cros_disks_client.h"
 #include "chromeos/disks/disk_mount_manager.h"
-#include "components/arc/file_system/arc_file_system_observer.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/prefs/pref_change_registrar.h"
 #include "components/storage_monitor/removable_storage_observer.h"
 #include "device/media_transfer_protocol/mtp_storage_info.pb.h"
 
 class Profile;
 
 namespace chromeos {
 class PowerManagerClient;
 }  // namespace chromeos
@@ skipping 171 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(Volume);
 };
 
 // Manages "Volume"s for file manager. Here are "Volume"s.
 // - Drive File System (not yet supported).
 // - Downloads directory.
 // - Removable disks (volume will be created for each partition, not only one
 //   for a device).
 // - Mounted zip archives.
 class VolumeManager : public KeyedService,
-                      public arc::ArcFileSystemObserver,
+                      public arc::ArcSessionManager::Observer,
                       public drive::DriveIntegrationServiceObserver,
                       public chromeos::disks::DiskMountManager::Observer,
                       public chromeos::file_system_provider::Observer,
                       public storage_monitor::RemovableStorageObserver {
  public:
   // Returns MediaTransferProtocolManager. Used for injecting
   // FakeMediaTransferProtocolManager for testing.
   typedef base::Callback<const MtpStorageInfo*(const std::string&)>
       GetMtpStorageInfoCallback;
 
@@ skipping 66 matching lines @@
   void OnProvidedFileSystemMount(
       const chromeos::file_system_provider::ProvidedFileSystemInfo&
           file_system_info,
       chromeos::file_system_provider::MountContext context,
       base::File::Error error) override;
   void OnProvidedFileSystemUnmount(
       const chromeos::file_system_provider::ProvidedFileSystemInfo&
           file_system_info,
       base::File::Error error) override;
 
-  // arc::ArcFileSystemObserver overrides.
-  void OnFileSystemsReady() override;
-  void OnFileSystemsClosed() override;
+  // arc::ArcSessionManager::Observer overrides.
+  void OnArcOptInChanged(bool enabled) override;
 
   // Called on change to kExternalStorageDisabled pref.
   void OnExternalStorageDisabledChanged();
 
   // Called on change to kExternalStorageReadOnly pref.
   void OnExternalStorageReadOnlyChanged();
 
   // RemovableStorageObserver overrides.
   void OnRemovableStorageAttached(
       const storage_monitor::StorageInfo& info) override;
@@ skipping 15 matching lines @@
   Profile* profile_;
   drive::DriveIntegrationService* drive_integration_service_;  // Not owned.
   chromeos::disks::DiskMountManager* disk_mount_manager_;      // Not owned.
   PrefChangeRegistrar pref_change_registrar_;
   base::ObserverList<VolumeManagerObserver> observers_;
   chromeos::file_system_provider::Service*
       file_system_provider_service_;  // Not owned by this class.
   GetMtpStorageInfoCallback get_mtp_storage_info_callback_;
   std::map<std::string, linked_ptr<Volume>> mounted_volumes_;
   std::unique_ptr<SnapshotManager> snapshot_manager_;
+  bool arc_volumes_mounted_ = false;
 
   // 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_