Add Query() support to FileRef

ppapi/cpp/file_ref.h

 // Copyright (c) 2011 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 PPAPI_CPP_FILE_REF_H_
 #define PPAPI_CPP_FILE_REF_H_
 
 #include "ppapi/c/pp_stdint.h"
 #include "ppapi/c/ppb_file_ref.h"
 #include "ppapi/cpp/resource.h"
@@ skipping 125 matching lines @@
   /// error to rename a file or directory that is in use.  It is not valid to
   /// rename a file in the external file system.
   ///
   /// @param[in] new_file_ref A <code>FileRef</code> corresponding to a new
   /// file reference.
   /// @param[in] cc A <code>CompletionCallback</code> to be called upon
   /// completion of Rename().
   ///
   /// @return An int32_t containing an error code from <code>pp_errors.h</code>.
   int32_t Rename(const FileRef& new_file_ref, const CompletionCallback& cc);
+
+  ///
+  /// Query() queries info about a file or directory. You must have access to
+  /// read this file or directory if it exists in the external filesystem.
+  ///
+  /// @param[out] info A pointer to a <code>PP_FileInfo</code> which will be
+  /// populated with information about the file or directory.
+  /// @param[in] callback A <code>PP_CompletionCallback</code> to be called upon
+  /// completion of Query().
+  ///
+  /// @return An int32_t containing an error code from <code>pp_errors.h</code>.
+  int32_t Query(PP_FileInfo* info, const CompletionCallback& callback);

[dmichael (off chromium), 2013/03/18 23:16:16]

Please use "CompletionCallbackWithOutput<PP_FileInfo>" instead

[teravest, 2013/03/21 16:45:04]

Done.

+
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_FILE_REF_H_