[fsp] Group arguments for mounting into a struct.

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>
@@ skipping 30 matching lines @@
 // Key names for preferences.
 extern const char kPrefKeyFileSystemId[];
 extern const char kPrefKeyDisplayName[];
 extern const char kPrefKeyWritable[];
 extern const char kPrefKeySupportsNotifyTag[];
 
 class ProvidedFileSystemFactoryInterface;
 class ProvidedFileSystemInfo;
 class ProvidedFileSystemInterface;
 class ServiceFactory;
+struct MountOptions;
 
 // 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 ProvidedFileSystemObserver {
  public:
@@ skipping 15 matching lines @@
   void SetFileSystemFactoryForTesting(
       const FileSystemFactoryCallback& factory_callback);
 
   // Mounts a file system provided by an extension with the |extension_id|. If
   // |writable| is set to true, then the file system is mounted in a R/W mode.
   // Otherwise, only read-only operations are supported. If change notification
   // tags are supported, then |supports_notify_tag| must be true. Note, that
   // it is required in order to enable the internal cache. For success, returns
   // true, otherwise false.
   bool MountFileSystem(const std::string& extension_id,
-                       const std::string& file_system_id,
-                       const std::string& display_name,
-                       bool writable,
-                       bool supports_notify_tag);
+                       const MountOptions& options);
 
   // Unmounts a file system with the specified |file_system_id| for the
   // |extension_id|. For success returns true, otherwise false.
   bool UnmountFileSystem(const std::string& extension_id,
                          const std::string& file_system_id,
                          UnmountReason reason);
 
   // Requests unmounting of the file system. The callback is called when the
   // request is accepted or rejected, with an error code. Returns false if the
   // request could not been created, true otherwise.
@@ skipping 80 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_