Revert 282900 "Revert 282890 "[fsp] Add an option for mounting i..."

trunk/src/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 21 matching lines @@
 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 kPrefKeyDisplayName[];
+extern const char kPrefKeyWritable[];
 
 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
@@ skipping 12 matching lines @@
   enum UnmountReason { UNMOUNT_REASON_USER, UNMOUNT_REASON_SHUTDOWN };
 
   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);
 
-  // Mounts a file system provided by an extension with the |extension_id|.
-  // For success, returns true, otherwise false.
+  // 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. For success, returns
+  // true, otherwise false.
   bool MountFileSystem(const std::string& extension_id,
                        const std::string& file_system_id,
-                       const std::string& display_name);
+                       const std::string& display_name,
+                       bool writable);
 
   // 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 67 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_