Revert "third_party/protobuf: Update to HEAD (5f65ee6ac7)"

third_party/protobuf/ruby/lib/google/protobuf/repeated_field.rb

 # 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 56 matching lines @@
       #
       # NOTE:  using delegators rather than method_missing to make the
       #        relationship explicit instead of implicit
       def_delegators :to_ary,
         :&, :*, :-, :'<=>',
         :assoc, :bsearch, :bsearch_index, :combination, :compact, :count,
         :cycle, :dig, :drop, :drop_while, :eql?, :fetch, :find_index, :flatten,
         :include?, :index, :inspect, :join,
         :pack, :permutation, :product, :pretty_print, :pretty_print_cycle,
         :rassoc, :repeated_combination, :repeated_permutation, :reverse,
-        :rindex, :rotate, :sample, :shuffle, :shelljoin,
+        :rindex, :rotate, :sample, :shuffle, :shelljoin, :slice,
         :to_s, :transpose, :uniq, :|
 
 
       def first(n=nil)
         n ? self[0..n] : self[0]
       end
 
 
       def last(n=nil)
         n ? self[(self.size-n-1)..-1] : self[-1]
@@ skipping 78 matching lines @@
 
       # propagates changes made by user of enumerator back to the original repeated field.
       # This only applies in cases where the calling function which created the enumerator,
       # such as #sort!, modifies itself rather than a new array, such as #sort
       class ProxyingEnumerator < Struct.new(:repeated_field, :external_enumerator)
         def each(*args, &block)
           results = []
           external_enumerator.each_with_index do |val, i|
             result = yield(val)
             results << result
-            #nil means no change occurred from yield; usually occurs when #to_a is called
+            #nil means no change occured from yield; usually occurs when #to_a is called
             if result
               repeated_field[i] = result if result != val
             end
           end
           results
         end
       end
 
 
     end
   end
 end