Make MountPointProvider pluggable from outside webkit/fileapi

webkit/fileapi/file_system_types.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 WEBKIT_FILEAPI_FILE_SYSTEM_TYPES_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_TYPES_H_
 
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFileSystem.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebFileSystemType.h"
 
@@ skipping 19 matching lines @@
 
   // Indicates non-sandboxed isolated filesystem.
   kFileSystemTypeIsolated = WebKit::WebFileSystemTypeIsolated,
 
   // Indicates non-sandboxed filesystem where files are placed outside the
   // profile directory (thus called 'external' filesystem).
   // This filesystem is used only by Chrome OS as of writing.
   kFileSystemTypeExternal = WebKit::WebFileSystemTypeExternal,
 
   // ------------------------------------------------------------------------
+  // Marks the beginning of internal type enum. (This is not the actual fs type)
+  kFileSystemInternalTypeEnumStart = 99,
+
   // Private FileSystem types, that should not appear in filesystem: URL as
   // WebKit has no idea how to handle those types.
   //
   // One can register (mount) a new file system with a private file system type
   // using IsolatedContext.  Files in such file systems can be accessed via
   // either Isolated or External public file system types (depending on
   // how the file system is registered).
   // See the comments for IsolatedContext and/or FileSystemURL for more details.
 
   // Should be used only for testing.
-  kFileSystemTypeTest = 100,
+  kFileSystemTypeTest,
 
   // Indicates a local filesystem where we can access files using native
   // local path.
   kFileSystemTypeNativeLocal,
 
   // Indicates a local filesystem where we can access files using native
   // local path, but with restricted access.
   // Restricted native local file system is in read-only mode.
   kFileSystemTypeRestrictedNativeLocal,
 
@@ skipping 14 matching lines @@
 
   // Indicates a Syncable sandboxed filesystem which can be backed by a
   // cloud storage service.
   kFileSystemTypeSyncable,
 
   // Indicates an external filesystem accessible by file paths from platform
   // Apps. As of writing, on non Chrome OS platform, this is merely a
   // kFileSystemTypeNativeLocal. On Chrome OS, the path is parsed by
   // the handlers of kFileSystemTypeExternal.
   kFileSystemTypeNativeForPlatformApp,
+
+  // --------------------------------------------------------------------
+  // Marks the end of internal type enum. (This is not the actual fs type)
+  // New internal filesystem types must be added above this line.
+  kFileSystemInternalTypeEnumEnd,
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_TYPES_H_