Updates file type selector for fileSystem API

chrome/browser/extensions/api/file_system/file_system_api.h

Index: chrome/browser/extensions/api/file_system/file_system_api.h
diff --git a/chrome/browser/extensions/api/file_system/file_system_api.h b/chrome/browser/extensions/api/file_system/file_system_api.h
index f65649ed53df65d00c02822f1aafd80bf5c83d32..e86df0bca5b2c5c53eea60ca4fd206eb81096d00 100644
--- a/chrome/browser/extensions/api/file_system/file_system_api.h
+++ b/chrome/browser/extensions/api/file_system/file_system_api.h
@@ -72,12 +72,20 @@ class FileSystemChooseFileFunction : public FileSystemEntryFunction {
 
   DECLARE_EXTENSION_FUNCTION_NAME("fileSystem.chooseFile");
 
+  static void BuildFileTypeInfo(SelectFileDialog::FileTypeInfo* file_type_info,
+                                const std::vector<std::string>* accepts,
+                                const bool* acceptsAllTypes);
+  static void BuildSuggestion(const std::string* opt_name,
+                              FilePath* suggested_name,
+                              FilePath::StringType* suggested_extension);
+
  protected:
   class FilePicker;
 
   virtual ~FileSystemChooseFileFunction() {}
   virtual bool RunImpl() OVERRIDE;
   bool ShowPicker(const FilePath& suggested_path,
+                  const SelectFileDialog::FileTypeInfo& file_type_info,
                   SelectFileDialog::Type picker_type,
                   EntryType entry_type);