Fixed file/directory url resolution for external mount point provider.

webkit/fileapi/file_system_mount_point_provider.h

 // Copyright (c) 2011 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 WEBKIT_FILEAPI_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 11 matching lines @@
   virtual ~FileSystemMountPointProvider() {}
 
   // Checks if access to |virtual_path| is allowed from |origin_url|.
   virtual bool IsAccessAllowed(const GURL& origin_url,
                                FileSystemType type,
                                const FilePath& virtual_path) = 0;
 
   // Retrieves the root path for the given |origin_url| and |type|, and
   // calls the given |callback| with the root path and name.
   // If |create| is true this also creates the directory if it doesn't exist.
-  virtual void GetFileSystemRootPath(
+  virtual void ValidateFileSystemRootAndGetURL(
       const GURL& origin_url,
       FileSystemType type,
       bool create,
       FileSystemPathManager::GetRootPathCallback* callback) = 0;
 
   // Like GetFileSystemRootPath, but synchronous, and can be called only while
   // running on the file thread.
-  virtual FilePath GetFileSystemRootPathOnFileThread(
+  virtual FilePath ValidateFileSystemRootAndGetPathOnFileThread(
       const GURL& origin_url,
       FileSystemType type,
       const FilePath& virtual_path,
       bool create) = 0;
 
   // Checks if a given |name| contains any restricted names/chars in it.
   // Callable on any thread.
   virtual bool IsRestrictedFileName(const FilePath& filename) const = 0;
 
   // Returns the list of top level directories that are exposed by this
   // provider. This list is used to set appropriate child process file access
   // permissions.
   virtual std::vector<FilePath> GetRootDirectories() const = 0;
 };
 
 // An interface to control external file system access permissions.
 class ExternalFileSystemMountPointProvider
     : public FileSystemMountPointProvider {
  public:
   // Grant access to all external file system from extension identified with
   // |extension_id|.
   virtual void GrantFullAccessToExtension(const std::string& extension_id) = 0;
   // Grants access to |virtual_path| from |origin_url|.
   virtual void GrantFileAccessToExtension(
       const std::string& extension_id,
       const FilePath& virtual_path) = 0;
   // Revoke file access from extension identified with |extension_id|.
   virtual void RevokeAccessForExtension(
         const std::string& extension_id) = 0;
+  // Adds a new mount point.
+  virtual void AddMountPoint(FilePath mount_point) = 0;
+  // Remove a mount point.
+  virtual void RemoveMountPoint(FilePath mount_point)  = 0;
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_MOUNT_POINT_PROVIDER_H_