[fsp] Add notifications in case of slow operations.

chrome/browser/chromeos/file_system_provider/service.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_
 
 #include <map>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "base/files/file.h"
 #include "base/files/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/threading/thread_checker.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/file_system_provider/observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/extensions/api/file_system_provider.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "content/public/browser/browser_context.h"
 #include "extensions/browser/extension_registry_observer.h"
 #include "extensions/common/extension.h"
 
 namespace extensions {
-class EventRouter;
 class ExtensionRegistry;
 }  // namespace extensions
 
 namespace user_prefs {
 class PrefRegistrySyncable;
 }  // namespace user_prefs
 
 namespace chromeos {
 namespace file_system_provider {
 
 // Key names for preferences.
 extern const char kPrefKeyFileSystemId[];
 extern const char kPrefKeyFileSystemName[];
 
 class ProvidedFileSystemFactoryInterface;
 class ProvidedFileSystemInfo;
 class ProvidedFileSystemInterface;
 class ServiceFactory;
 
 // Registers preferences to remember registered file systems between reboots.
 void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry);
 
 // Manages and registers the file system provider service. Maintains provided
 // file systems.
 class Service : public KeyedService,
                 public extensions::ExtensionRegistryObserver {
  public:
   typedef base::Callback<ProvidedFileSystemInterface*(
-      extensions::EventRouter* event_router,
+      Profile* profile,
       const ProvidedFileSystemInfo& file_system_info)>
       FileSystemFactoryCallback;
 
   Service(Profile* profile, extensions::ExtensionRegistry* extension_registry);
   virtual ~Service();
 
   // Sets a custom ProvidedFileSystemInterface factory. Used by unit tests,
   // where an event router is not available.
   void SetFileSystemFactoryForTesting(
       const FileSystemFactoryCallback& factory_callback);
@@ skipping 81 matching lines @@
   base::ThreadChecker thread_checker_;
   base::WeakPtrFactory<Service> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Service);
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_SERVICE_H_