Update //third_party/protobuf to version 3.

third_party/protobuf/ruby/tests/generated_code_test.rb

Index: third_party/protobuf/ruby/tests/generated_code_test.rb
diff --git a/third_party/protobuf/ruby/tests/generated_code_test.rb b/third_party/protobuf/ruby/tests/generated_code_test.rb
new file mode 100644
index 0000000000000000000000000000000000000000..daef357a10a398ff5d1f791aa59ef0fa888be979
--- /dev/null
+++ b/third_party/protobuf/ruby/tests/generated_code_test.rb
@@ -0,0 +1,17 @@
+#!/usr/bin/ruby
+
+# generated_code.rb is in the same directory as this test.
+$LOAD_PATH.unshift(File.expand_path(File.dirname(__FILE__)))
+
+require 'generated_code'
+require 'test/unit'
+
+class GeneratedCodeTest < Test::Unit::TestCase
+  def test_generated_msg
+    # just test that we can instantiate the message. The purpose of this test
+    # is to ensure that the output of the code generator is valid Ruby and
+    # successfully creates message definitions and classes, not to test every
+    # aspect of the extension (basic.rb is for that).
+    m = A::B::C::TestMessage.new()
+  end
+end