Initial checkin of gRPC to third_party/

third_party/grpc/examples/ruby/lib/route_guide_services.rb

+# Generated by the protocol buffer compiler.  DO NOT EDIT!
+# Source: route_guide.proto for package 'routeguide'
+
+require 'grpc'
+require 'route_guide'
+
+module Routeguide
+  module RouteGuide
+
+    # TODO: add proto service documentation here
+    class Service
+
+      include GRPC::GenericService
+
+      self.marshal_class_method = :encode
+      self.unmarshal_class_method = :decode
+      self.service_name = 'routeguide.RouteGuide'
+
+      rpc :GetFeature, Point, Feature
+      rpc :ListFeatures, Rectangle, stream(Feature)
+      rpc :RecordRoute, stream(Point), RouteSummary
+      rpc :RouteChat, stream(RouteNote), stream(RouteNote)
+    end
+
+    Stub = Service.rpc_stub_class
+  end
+end