[WIP] Provided file system from NACL.

chrome/browser/chromeos/file_manager/volume_manager.cc

Index: chrome/browser/chromeos/file_manager/volume_manager.cc
diff --git a/chrome/browser/chromeos/file_manager/volume_manager.cc b/chrome/browser/chromeos/file_manager/volume_manager.cc
index 2026e431cd49a1a1f2713e456f7e7d9d31b62a47..17a18eac724fecd02b8d80ee2bd2014c084b34a3 100644
--- a/chrome/browser/chromeos/file_manager/volume_manager.cc
+++ b/chrome/browser/chromeos/file_manager/volume_manager.cc
@@ -110,6 +110,8 @@ std::string VolumeTypeToString(VolumeType type) {
       return "mtp";
     case VOLUME_TYPE_TESTING:
       return "testing";
+    case VOLUME_TYPE_PLUGIN_PROVIDED:
+      return "plugin_provided";
     case NUM_VOLUME_TYPE:
       break;
   }
@@ -224,8 +226,10 @@ Volume* Volume::CreateForProvidedFileSystem(
       volume->source_ = SOURCE_NETWORK;
       break;
   }
+  using chromeos::file_system_provider::Source_Type;
   volume->volume_label_ = file_system_info.display_name();
-  volume->type_ = VOLUME_TYPE_PROVIDED;
+  volume->type_ = file_system_info.source_type() == Source_Type::plugin ?
+                  VOLUME_TYPE_PLUGIN_PROVIDED : VOLUME_TYPE_PROVIDED;
   volume->mount_path_ = file_system_info.mount_path();
   volume->mount_condition_ = chromeos::disks::MOUNT_CONDITION_NONE;
   volume->mount_context_ = mount_context;
@@ -280,17 +284,19 @@ Volume* Volume::CreateForTesting(const base::FilePath& device_path,
   return volume;
 }
 
-VolumeManager::VolumeManager(
-    Profile* profile,
+VolumeManager::VolumeManager(Profile* profile,
     drive::DriveIntegrationService* drive_integration_service,
     chromeos::PowerManagerClient* power_manager_client,
     chromeos::disks::DiskMountManager* disk_mount_manager,
     chromeos::file_system_provider::Service* file_system_provider_service,
+    chromeos::file_system_provider::PluginService*
+                             file_system_plugin_provided_service,
     GetMtpStorageInfoCallback get_mtp_storage_info_callback)
     : profile_(profile),
       drive_integration_service_(drive_integration_service),
       disk_mount_manager_(disk_mount_manager),
       file_system_provider_service_(file_system_provider_service),
+      file_system_plugin_provided_service_(file_system_plugin_provided_service),
       get_mtp_storage_info_callback_(get_mtp_storage_info_callback),
       snapshot_manager_(new SnapshotManager(profile_)),
       weak_ptr_factory_(this) {
@@ -347,7 +353,9 @@ void VolumeManager::Initialize() {
       DoMountEvent(chromeos::MOUNT_ERROR_NONE, volume);
     }
   }
-
+  // Subscribe to PluginService
+  if (file_system_plugin_provided_service_)
+    file_system_plugin_provided_service_->AddObserver(this);
   // Subscribe to Profile Preference change.
   pref_change_registrar_.Init(profile_->GetPrefs());
   pref_change_registrar_.Add(
@@ -377,6 +385,8 @@ void VolumeManager::Shutdown() {
 
   if (file_system_provider_service_)
     file_system_provider_service_->RemoveObserver(this);
+  if (file_system_plugin_provided_service_)
+    file_system_plugin_provided_service_->RemoveObserver(this);
 }
 
 void VolumeManager::AddObserver(VolumeManagerObserver* observer) {