gdata: Support opening zip file on Google Docs.

chrome/browser/chromeos/extensions/file_browser_private_api.h

Index: chrome/browser/chromeos/extensions/file_browser_private_api.h
diff --git a/chrome/browser/chromeos/extensions/file_browser_private_api.h b/chrome/browser/chromeos/extensions/file_browser_private_api.h
index e6ef63b033665756b4f99de4c5ece61a44c460e9..111dc00aa3047dcd766a26a449415cb2b4c195b6 100644
--- a/chrome/browser/chromeos/extensions/file_browser_private_api.h
+++ b/chrome/browser/chromeos/extensions/file_browser_private_api.h
@@ -246,6 +246,11 @@ class AddMountFunction
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const std::string& mount_type_str,
                                        const SelectedFileInfoList& files);
+  // A callback method to handle the result of SetMountedState.
+  void OnMountedStateSet(const std::string& mount_type,
+                         const FilePath::StringType& file_name,
+                         base::PlatformFileError error,
+                         const FilePath& file_path);
 
   DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.addMount");
 };