[fsp] Add notifications in case of slow operations.

chrome/browser/chromeos/file_system_provider/service.cc

 // Copyright 2014 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/chromeos/file_system_provider/service.h"
 
 #include "base/files/file_path.h"
 #include "base/prefs/pref_service.h"
 #include "base/prefs/scoped_user_pref_update.h"
 #include "base/stl_util.h"
 #include "chrome/browser/chromeos/file_system_provider/mount_path_util.h"
 #include "chrome/browser/chromeos/file_system_provider/observer.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_info.h"
 #include "chrome/browser/chromeos/file_system_provider/provided_file_system_interface.h"
 #include "chrome/browser/chromeos/file_system_provider/service_factory.h"
 #include "chrome/common/pref_names.h"
 #include "components/pref_registry/pref_registry_syncable.h"
-#include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/browser/extension_system.h"
 #include "webkit/browser/fileapi/external_mount_points.h"
 
 namespace chromeos {
 namespace file_system_provider {
 namespace {
 
 // Maximum number of file systems to be mounted in the same time, per profile.
 const size_t kMaxFileSystems = 16;
 
-// Default factory for provided file systems. The |event_router| must not be
-// NULL.
+// Default factory for provided file systems. |profile| must not be NULL.
 ProvidedFileSystemInterface* CreateProvidedFileSystem(
-    extensions::EventRouter* event_router,
+    Profile* profile,
     const ProvidedFileSystemInfo& file_system_info) {
-  DCHECK(event_router);
-  return new ProvidedFileSystem(event_router, file_system_info);
+  DCHECK(profile);
+  return new ProvidedFileSystem(profile, file_system_info);
 }
 
 }  // namespace
 
 const char kPrefKeyFileSystemId[] = "file-system-id";
 const char kPrefKeyFileSystemName[] = "file-system-name";
 
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   registry->RegisterDictionaryPref(
       prefs::kFileSystemProviderMounted,
@@ skipping 97 matching lines @@
 
   // Store the file system descriptor. Use the mount point name as the file
   // system provider file system id.
   // Examples:
   //   file_system_id = 41
   //   mount_point_name =  b33f1337-41-5aa5
   //   mount_path = /provided/b33f1337-41-5aa5
   ProvidedFileSystemInfo file_system_info(
       extension_id, file_system_id, file_system_name, mount_path);
 
-  // The event router may be NULL for unit tests.
-  extensions::EventRouter* router = extensions::EventRouter::Get(profile_);
-
   ProvidedFileSystemInterface* file_system =
-      file_system_factory_.Run(router, file_system_info);
+      file_system_factory_.Run(profile_, file_system_info);
   DCHECK(file_system);
   file_system_map_[FileSystemKey(extension_id, file_system_id)] = file_system;
   mount_point_name_to_key_map_[mount_point_name] =
       FileSystemKey(extension_id, file_system_id);
 
   FOR_EACH_OBSERVER(
       Observer,
       observers_,
       OnProvidedFileSystemMount(file_system_info, base::File::FILE_OK));
 
@@ skipping 223 matching lines @@
     if (!result) {
       LOG(ERROR) << "Failed to restore a provided file system from "
                  << "preferences: " << extension_id << ", " << file_system_id
                  << ", " << file_system_name << ".";
     }
   }
 }
 
 }  // namespace file_system_provider
 }  // namespace chromeos