Make isolated file system works for a device root (e.g. X:\\)

webkit/glue/web_intent_data.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_GLUE_WEB_INTENT_DATA_H_
 #define WEBKIT_GLUE_WEB_INTENT_DATA_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 33 matching lines @@
   // The global message port IDs of any transferred MessagePorts.
   std::vector<int> message_port_ids;
 
   // The file of a payload blob. Together with |blob_length|, suitable
   // arguments to WebBlob::createFromFile.
   FilePath blob_file;
   // Length of the blob.
   int64 blob_length;
 
   // Store the file system parameters to create a new file system.
-  FilePath root_path;
+  std::string root_name;
   std::string filesystem_id;
 
   // These enum values indicate which payload data type should be used.
   enum DataType {
     SERIALIZED = 0,    // The payload is serialized in |data|.
     UNSERIALIZED = 1,  // The payload is unserialized in |unserialized_data|.
     BLOB = 2,          // The payload is a blob.
     FILESYSTEM = 3,    // The payload is WebFileSystem.
   };
   // Which data payload to use when delivering the intent.
   DataType data_type;
 
   WebIntentData();
 
   // NOTE! Constructors do not initialize message_port_ids. Caller must do this.
 
   WebIntentData(const WebKit::WebIntent& intent);
   WebIntentData(const string16& action_in,
                 const string16& type_in,
                 const string16& unserialized_data_in);
   WebIntentData(const string16& action_in,
                 const string16& type_in,
                 const FilePath& blob_file_in,
                 int64 blob_length_in);
   WebIntentData(const string16& action_in,
                 const string16& type_in,
-                const FilePath& root_path_in,
+                const std::string& root_name_in,
                 const std::string& filesystem_id_in);
   ~WebIntentData();
 };
 
 }  // namespace webkit_glue
 
 #endif  // WEBKIT_GLUE_WEB_INTENT_DATA_H_