Integrate external mount points to IsolatedContext

webkit/fileapi/file_system_types.h

Index: webkit/fileapi/file_system_types.h
diff --git a/webkit/fileapi/file_system_types.h b/webkit/fileapi/file_system_types.h
index 4816781e0119f65f3c3174dd75be989428704219..b75b9d1297bba3bb1bcc03eb5eb9efc8a261904f 100644
--- a/webkit/fileapi/file_system_types.h
+++ b/webkit/fileapi/file_system_types.h
@@ -34,8 +34,16 @@ enum FileSystemType {
   // Should be used only for testing.
   kFileSystemTypeTest = 100,
 
-  // Internal filesystem types, which are not exposed to WebKit but are
-  // accessible via Isolated file system.
+  // Following file system types are internal and they are not exposed to
+  // WebKit, but are accessible via IsolatedContext.
+
+  // Indicates a transient, isolated file system for a native local path.
+  // TODO(kinuko): Rename all kFileSystemTypeIsolated used as internal type
+  // with this one.
+  kFileSystemTypeNativeLocal,
+
+  // Indicates a transient, isolated file system for dragge files (which could

[tzik, 2012/08/20 13:03:03]

s/dragge/dragged/

+  // contain multiple dragged paths in the virtual root).
   kFileSystemTypeDragged,
 
   // Indicates media filesystem which we can access with same manner to
@@ -45,6 +53,9 @@ enum FileSystemType {
   // Indicates media filesystem to which we need special protocol to access,
   // such as MTP or PTP.
   kFileSystemTypeDeviceMedia,
+
+  // Indicates a drive filesystem.

[tzik, 2012/08/20 13:03:03]

Could you add some description for this filesystem?

+  kFileSystemTypeDrive,
 };
 
 }  // namespace fileapi