Picasa import: MediaFileSystemRegistry and misc. plumbing

chrome/browser/media_galleries/media_file_system_context.h

 // Copyright (c) 2012 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_MEDIA_GALLERIES_MEDIA_FILE_SYSTEM_CONTEXT_H_
 #define CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_FILE_SYSTEM_CONTEXT_H_
 
 // Manages isolated filesystem namespaces for media file systems.
 
 #include <string>
@@ skipping 18 matching lines @@
   virtual std::string RegisterFileSystemForMassStorage(
       const std::string& device_id, const base::FilePath& path) = 0;
 
   // Registers and returns the file system id for the MTP or PTP device
   // specified by |device_id| and |path|. Updates |entry| with the corresponding
   // ScopedMTPDeviceMapEntry object.
   virtual std::string RegisterFileSystemForMTPDevice(
       const std::string& device_id, const base::FilePath& path,
       scoped_refptr<ScopedMTPDeviceMapEntry>* entry) = 0;
 
+  // Register a Picasa filesystem. |path| refers to the absolute path of the
+  // Picasa db3 database.
+  virtual std::string RegisterFileSystemForPicasa(
+      const std::string& device_id, const base::FilePath& path) = 0;
+
   // Revoke the passed |fsid|.
   virtual void RevokeFileSystem(const std::string& fsid) = 0;
 
   // The MediaFileSystemRegistry that owns this context.
   virtual MediaFileSystemRegistry* GetMediaFileSystemRegistry() = 0;
 };
 
 }  // namespace
 
 #endif  // CHROME_BROWSER_MEDIA_GALLERIES_MEDIA_FILE_SYSTEM_CONTEXT_H_