third_party/protobuf: Update to HEAD (83d681ee2c)

third_party/protobuf/src/google/protobuf/compiler/importer.h

 // Protocol Buffers - Google's data interchange format
 // Copyright 2008 Google Inc.  All rights reserved.
 // https://developers.google.com/protocol-buffers/
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 287 matching lines @@
 
  private:
   struct Mapping {
     string virtual_path;
     string disk_path;
 
     inline Mapping(const string& virtual_path_param,
                    const string& disk_path_param)
       : virtual_path(virtual_path_param), disk_path(disk_path_param) {}
   };
-  vector<Mapping> mappings_;
+  std::vector<Mapping> mappings_;
   string last_error_message_;
 
   // Like Open(), but returns the on-disk path in disk_file if disk_file is
   // non-NULL and the file could be successfully opened.
   io::ZeroCopyInputStream* OpenVirtualFile(const string& virtual_file,
                                            string* disk_file);
 
   // Like Open() but given the actual on-disk path.
   io::ZeroCopyInputStream* OpenDiskFile(const string& filename);
 
   GOOGLE_DISALLOW_EVIL_CONSTRUCTORS(DiskSourceTree);
 };
 
 }  // namespace compiler
 }  // namespace protobuf
 
 }  // namespace google
 #endif  // GOOGLE_PROTOBUF_COMPILER_IMPORTER_H__