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

third_party/protobuf/src/google/protobuf/struct.proto

Index: third_party/protobuf/src/google/protobuf/struct.proto
diff --git a/third_party/protobuf/src/google/protobuf/struct.proto b/third_party/protobuf/src/google/protobuf/struct.proto
deleted file mode 100644
index 4ff10cd0d933a4bebf8e524c680a931e393e49ce..0000000000000000000000000000000000000000
--- a/third_party/protobuf/src/google/protobuf/struct.proto
+++ /dev/null
@@ -1,90 +0,0 @@
-// 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.
-//     * 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.
-syntax = "proto3";
-
-package google.protobuf;
-
-option java_generate_equals_and_hash = true;
-option java_multiple_files = true;
-option java_outer_classname = "StructProto";
-option java_package = "com.google.protobuf";
-option csharp_namespace = "Google.Protobuf.WellKnownTypes";
-option objc_class_prefix = "GPB";
-
-
-// `Struct` represents a structured data value, consisting of fields
-// which map to dynamically typed values. In some languages, `Struct`
-// might be supported by a native representation. For example, in
-// scripting languages like JS a struct is represented as an
-// object. The details of that representation are described together
-// with the proto support for the language.
-message Struct {
-  // Map of dynamically typed values.
-  map<string, Value> fields = 1;
-}
-
-// `Value` represents a dynamically typed value which can be either
-// null, a number, a string, a boolean, a recursive struct value, or a
-// list of values. A producer of value is expected to set one of that
-// variants, absence of any variant indicates an error.
-message Value {
-  oneof kind {
-    // Represents a null value.
-    NullValue null_value = 1;
-
-    // Represents a double value.
-    double number_value = 2;
-
-    // Represents a string value.
-    string string_value = 3;
-
-    // Represents a boolean value.
-    bool bool_value = 4;
-
-    // Represents a structured value.
-    Struct struct_value = 5;
-
-    // Represents a repeated `Value`.
-    ListValue list_value = 6;
-  }
-}
-
-// `ListValue` is a wrapper around a repeated field of values.
-message ListValue {
-  // Repeated field of dynamically typed values.
-  repeated Value values = 1;
-}
-
-// `NullValue` is a singleton enumeration to represent the null
-// value for the `Value` type union.
-enum NullValue {
-  // Null value.
-  NULL_VALUE = 0;
-}