Sniff MIME type for files which have unknown extensions.

chrome/browser/chromeos/extensions/file_manager/private_api_tasks.h

 // Copyright 2013 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.
 //
 // This file provides task related API functions.
 
 #ifndef CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_TASKS_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_TASKS_H_
 
+#include <vector>
+
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_base.h"
+#include "chrome/browser/chromeos/file_manager/file_tasks.h"
 #include "chrome/common/extensions/api/file_browser_private.h"
 
 namespace extensions {
 
 // Implements the chrome.fileBrowserPrivate.executeTask method.
 class FileBrowserPrivateExecuteTaskFunction
     : public LoggedAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.executeTask",
                              FILEBROWSERPRIVATE_EXECUTETASK)
@@ skipping 14 matching lines @@
     : public LoggedAsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.getFileTasks",
                              FILEBROWSERPRIVATE_GETFILETASKS)
 
  protected:
   virtual ~FileBrowserPrivateGetFileTasksFunction() {}
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
+
+ private:
+  void OnSniffingMimeTypeCompleted(
+      scoped_ptr<app_file_handler_util::PathAndMimeTypeSet> path_mime_set,
+      scoped_ptr<std::vector<GURL> > file_urls);
 };
 
 // Implements the chrome.fileBrowserPrivate.setDefaultTask method.
 class FileBrowserPrivateSetDefaultTaskFunction
     : public ChromeSyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("fileBrowserPrivate.setDefaultTask",
                              FILEBROWSERPRIVATE_SETDEFAULTTASK)
 
  protected:
   virtual ~FileBrowserPrivateSetDefaultTaskFunction() {}
 
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_PRIVATE_API_TASKS_H_