ChromeOS: Support opening files with apps from the downloads page.

chrome/browser/chromeos/extensions/file_manager/file_manager_util.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_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_MANAGER_UTIL_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_MANAGER_UTIL_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 79 matching lines @@
 // Executes the built-in File Manager handler or tries to open |file| directly
 // in the browser. Returns false if neither is possible.
 bool ExecuteBuiltinHandler(
     Browser* browser,
     const base::FilePath& path,
     const std::string& internal_task_id);
 
 // Checks whether a pepper plugin for |file_extension| is enabled.
 bool ShouldBeOpenedWithPlugin(Profile* profile, const char* file_extension);
 
+// Returns the MIME type of |file_path|.
+std::string GetMimeTypeForPath(const base::FilePath& file_path);
+
 }  // namespace file_manager_util
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_MANAGER_FILE_MANAGER_UTIL_H_