Drive: Mount/Unmount GoogleDrive on Files App when the file system is mounted/unmounted.

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 9b175fdd009d5cd3ae27ae8abe022b5b58e9dfb2..29b27ce30336912a7e74f06444a5f8a1c4e1ac3a 100644
--- a/chrome/browser/chromeos/extensions/file_browser_private_api.h
+++ b/chrome/browser/chromeos/extensions/file_browser_private_api.h
@@ -276,11 +276,6 @@ class AddMountFunction : public FileBrowserFunction {
   virtual bool RunImpl() OVERRIDE;
 
  private:
-  // Sends gdata mount event to renderers.
-  void RaiseGDataMountEvent(gdata::GDataErrorCode error);
-  // A callback method to handle the result of GData authentication request.
-  void OnGDataAuthentication(gdata::GDataErrorCode error,
-                             const std::string& token);
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const std::string& mount_type_str,