Add more FS types and introduce type field into IsolatedContext

webkit/fileapi/isolated_file_util.cc

Index: webkit/fileapi/isolated_file_util.cc
diff --git a/webkit/fileapi/isolated_file_util.cc b/webkit/fileapi/isolated_file_util.cc
index 1d50a56f71c35cfd3e8d8ff8b6c0a04f36880b73..997d5b61a67e67e2f9082cdbdc1d47960c2240f6 100644
--- a/webkit/fileapi/isolated_file_util.cc
+++ b/webkit/fileapi/isolated_file_util.cc
@@ -260,7 +260,7 @@ IsolatedFileUtil::CreateFileEnumerator(
 
   // Root path case.
   std::vector<FileInfo> toplevels;
-  IsolatedContext::GetInstance()->GetRegisteredFileInfo(
+  IsolatedContext::GetInstance()->GetDraggedFileInfo(
       filesystem_id, &toplevels);
   if (!recursive)
     return new SetFileEnumerator(toplevels, root.path());
@@ -337,7 +337,7 @@ bool IsolatedFileUtil::IsDirectoryEmpty(
   if (platform_path.empty()) {
     // The root directory case.
     std::vector<FileInfo> toplevels;
-    bool success = IsolatedContext::GetInstance()->GetRegisteredFileInfo(
+    bool success = IsolatedContext::GetInstance()->GetDraggedFileInfo(
         filesystem_id, &toplevels);
     DCHECK(success);
     return toplevels.empty();