Updates file type selector for fileSystem API

chrome/browser/extensions/api/file_system/file_system_api.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 CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_
 
 #include "chrome/browser/extensions/extension_function.h"
+#include "chrome/common/extensions/api/file_system.h"
 #include "ui/base/dialogs/select_file_dialog.h"
 
 namespace extensions {
 
 class FileSystemGetDisplayPathFunction : public SyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION_NAME("fileSystem.getDisplayPath");
 
  protected:
   virtual ~FileSystemGetDisplayPathFunction() {}
@@ skipping 46 matching lines @@
 
 class FileSystemChooseFileFunction : public FileSystemEntryFunction {
  public:
   // Allow picker UI to be skipped in testing.
   static void SkipPickerAndAlwaysSelectPathForTest(FilePath* path);
   static void SkipPickerAndAlwaysCancelForTest();
   static void StopSkippingPickerForTest();
 
   DECLARE_EXTENSION_FUNCTION_NAME("fileSystem.chooseFile");
 
+  typedef std::vector<linked_ptr<extensions::api::file_system::AcceptOption> >
+      AcceptOptions;
+
+  static void BuildFileTypeInfo(
+      ui::SelectFileDialog::FileTypeInfo* file_type_info,
+      const FilePath::StringType& suggested_extension,
+      const AcceptOptions* 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 ui::SelectFileDialog::FileTypeInfo& file_type_info,
                   ui::SelectFileDialog::Type picker_type,
                   EntryType entry_type);
 
  private:
   // FileSelected and FileSelectionCanceled are called by the file picker.
   void FileSelected(const FilePath& path, EntryType entry_type);
   void FileSelectionCanceled();
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_FILE_SYSTEM_FILE_SYSTEM_API_H_