Revert https://codereview.chromium.org/1291903002 (protobuf roll).

third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyOneofBuilderContext.java

Index: third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyOneofBuilderContext.java
diff --git a/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyOneofBuilderContext.java b/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyOneofBuilderContext.java
deleted file mode 100644
index c9b99e0489d83828702b401d0f884758ac7ef674..0000000000000000000000000000000000000000
--- a/third_party/protobuf/ruby/src/main/java/com/google/protobuf/jruby/RubyOneofBuilderContext.java
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * Protocol Buffers - Google's data interchange format
- * Copyright 2014 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.
- *     * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-package com.google.protobuf.jruby;
-
-import org.jruby.Ruby;
-import org.jruby.RubyClass;
-import org.jruby.RubyModule;
-import org.jruby.RubyObject;
-import org.jruby.anno.JRubyClass;
-import org.jruby.anno.JRubyMethod;
-import org.jruby.runtime.ObjectAllocator;
-import org.jruby.runtime.ThreadContext;
-import org.jruby.runtime.builtin.IRubyObject;
-
-@JRubyClass(name = "OneofBuilderContext")
-public class RubyOneofBuilderContext extends RubyObject {
-    public static void createRubyOneofBuilderContext(Ruby runtime) {
-        RubyModule protobuf = runtime.getClassFromPath("Google::Protobuf");
-        RubyModule internal = protobuf.defineModuleUnder("Internal");
-        RubyClass cRubyOneofBuidlerContext = internal.defineClassUnder("OneofBuilderContext", runtime.getObject(), new ObjectAllocator() {
-            @Override
-            public IRubyObject allocate(Ruby ruby, RubyClass rubyClass) {
-                return new RubyOneofBuilderContext(ruby, rubyClass);
-            }
-        });
-        cRubyOneofBuidlerContext.defineAnnotatedMethods(RubyOneofBuilderContext.class);
-    }
-
-    public RubyOneofBuilderContext(Ruby ruby, RubyClass rubyClass) {
-        super(ruby, rubyClass);
-    }
-
-    @JRubyMethod
-    public IRubyObject initialize(ThreadContext context, IRubyObject oneofdef) {
-        this.descriptor = (RubyOneofDescriptor) oneofdef;
-        this.cFieldDescriptor = (RubyClass) context.runtime.getClassFromPath("Google::Protobuf::FieldDescriptor");
-        return this;
-    }
-
-    @JRubyMethod(required = 3, optional = 1)
-    public IRubyObject optional(ThreadContext context, IRubyObject[] args) {
-        IRubyObject name = args[0];
-        IRubyObject type = args[1];
-        IRubyObject number = args[2];
-        IRubyObject typeClass = args.length > 3 ? args[3] : context.runtime.getNil();
-        RubyFieldDescriptor fieldDescriptor = Utils.msgdefCreateField(context, "optional",
-                name, type, number, typeClass, cFieldDescriptor);
-        descriptor.addField(context, fieldDescriptor);
-        return this;
-    }
-
-    private RubyOneofDescriptor descriptor;
-    private RubyClass cFieldDescriptor;
-}